Patents
Sitemap › B44 - Decorative arts › B44F - Special designs or pictures › B44F 1 - Designs or pictures characterised by special or unusual light effects
Patents for B44F 1 - Designs or pictures characterised by special or unusual light effects (8,737)
04/1982
04/13/1982US4324421 Identity card with incorporated fibrids
04/06/1982US4323423 Decorative glass chipping method
03/1982
03/30/1982US4321778 Glass panes and buildings including glass panes
03/30/1982CA1120756A1 Prism light guide
03/23/1982CA1120208A1 Process for production of sheet structures patterned in depth therethrough
03/09/1982US4318946 Methyl methacrylate, plates, patterns, adhesives
03/02/1982US4317860 Polyvinylidene fluoride-thermoplastic resin laminates and method
02/1982
02/24/1982EP0046327A1 Printed matter having elements to indicate counterfeiting, and method for manufacturing such printed matter
02/09/1982US4315145 Magnetic recording structure
02/09/1982CA1118009A1 Protected document and method of making same
02/02/1982US4313984 Laminated identity card having separation-resistant laminae and method of manufacturing same
01/1982
01/27/1982EP0044489A1 Finger-print sensor
01/27/1982EP0044309A1 Method for producing decorative glass objects.
01/26/1982US4312688 Applying pressure-sensitive lead strips to plastic sheets
01/19/1982CA1116470A1 Bevelled glass leaded window
01/19/1982CA1116398A1 Security label
01/13/1982EP0043552A1 Tamper-proof identification card with thermoplastic covering film
01/12/1982US4310577 Liquid crystal film laminate
01/05/1982US4309452 Dual gloss coating and process therefor
12/1981
12/29/1981US4307899 Identification card with hallmarks adapted to be inspected by transmitted and incident light and a process for the production thereof
12/24/1981WO1981003645A1 Method for manufacturing a tapestry decorated with stones
12/10/1981WO1981003511A1 Paper security with authenticity mark
12/10/1981WO1981003510A1 Paper security with authenticity mark of luminescent material only in an invisible area of the light spectrum and checking method thereof
12/10/1981WO1981003509A1 Paper security with authenticity mark of luminescent material and method for the authentication thereof
12/10/1981WO1981003508A1 Paper security with authenticity mark of luminescent material and utilization method thereof
12/10/1981WO1981003507A1 Paper securities with authenticity mark of luminescent material
12/08/1981US4304179 Marking method and device
12/02/1981EP0041024A1 Security paper for avoiding forgery by employing ball-point pens with erasable ink
12/01/1981US4303716 Decorative surface articles
12/01/1981CA1113440A2 Retroreflector
11/1981
11/24/1981US4302260 Simulated stained glass article and method of making same
11/10/1981US4299637 Method of making a game ticket
11/03/1981US4298646 Differential gloss products and methods of making the same
11/03/1981US4298217 Identity card
11/03/1981US4297811 Laminated printed foil flower pot wrap with multicolor appearance
10/1981
10/28/1981EP0038681A1 Formation of simulated lead lights
10/27/1981US4297099 By penetration and crosslinking
10/14/1981EP0037507A1 Identity card or document with integrated security thread
09/1981
09/22/1981US4290630 Security devices
09/15/1981CA1108974A1 Open weave drapery fabric
09/08/1981CA1108763A1 Checking apparatus for documents
09/02/1981EP0034707A1 Process for producing coloured and figurative patterns of moulded plastics articles
08/1981
08/19/1981EP0033994A1 A method of checking the authenticity of papers
08/18/1981CA1107005A1 Security paper
08/11/1981CA1106872A1 Document protection using colors below critical density of copier
07/1981
07/21/1981US4280037 Apparatus for cashless payment of merchandise or services
07/14/1981US4278722 Multilayer edge sealed record carrier
07/14/1981US4278626 Method of casting photographs in dome-shaped structures
07/14/1981US4278483 Sintering a plastic; pigmenting
07/14/1981US4278022 Photographic image painting process
07/08/1981EP0031525A2 Identification card
07/08/1981EP0031521A2 Method of making alternation-proof documents
07/07/1981US4277514 Forgery resistant document with colored areas and method for thwarting reproduction of same
07/01/1981EP0031161A1 Antifalsification paper protected against faking and tampering
07/01/1981EP0030939A1 Process for preparing a thermochromic varnish, coating prepared therefrom and utilization thereof.
06/1981
06/24/1981EP0030827A1 Decorative emblem and method of manufacture
06/23/1981US4274904 Tape dispenser and applicator assembly
06/17/1981EP0030507A1 Security paper using a means for marking and recognition
06/16/1981US4273819 Differential gloss products and methods of making the same
06/03/1981EP0029714A1 Method of preventing erasure of an image and a booklet of security papers
05/1981
05/28/1981WO1981001430A1 Method of preventing erasure of an image and a booklet of security papers
05/26/1981US4268983 Security label
05/19/1981US4268615 Method for producing relief
05/19/1981CA1101462A1 Multilayer tamperproof game ticket with concealed information
05/19/1981CA1101293A1 Credit card carriers, apparatus and method
05/05/1981US4265703 Method of preparing a fibrous structure containing metallic fibers
05/05/1981US4265469 Protected document and method of making same
04/1981
04/30/1981WO1981001142A1 Method for producing decorative glass objects
04/07/1981US4260220 Prism light guide having surfaces which are in octature
03/1981
03/31/1981US4259388 Addition polymer bonding agent
03/25/1981EP0025772A1 Method of producing polymeric film-like coatings
03/17/1981CA1097705A1 Document carrying a legible code, and method and apparatus for producing same
03/04/1981EP0024344A1 Laminated information carrier, particularly indentity card, and method of making it
02/1981
02/17/1981CA1095716A1 Method of producing a decorative article and articles so produced
02/10/1981US4250537 Discotheque simulating home entertainment system
02/10/1981US4250217 Documents embossed with machine-readable information by means of an embossing foil
02/04/1981EP0023318A1 Thermoplastic film tinted gray, composite products containing such a film and process for the manufacture of such composite products
02/03/1981CA1094804A1 Decorative laminate
01/1981
01/27/1981US4247318 Process for making security paper from film-fibril sheets
01/22/1981WO1981000084A1 Process for preparing a thermochromic varnish,coating prepared therefrom and utilization thereof
01/20/1981US4246307 Tamper-proof laminated sticker or card
01/13/1981US4244998 Patterned layers including magnetizable material
01/07/1981EP0021350A1 Method for verifying paper currency having a security means and paper currency having such means
01/06/1981US4243626 Method of making ornamental jewelry stones
12/1980
12/09/1980CA1091347A1 Magnetic recording structure
11/1980
11/26/1980EP0019191A1 Security paper
11/25/1980US4235658 Process for making translucent plates with light-scattering surfaces
11/18/1980US4234214 Document carrying a legible code, and method and apparatus for producing same
11/18/1980US4233767 Kit for making a multiple view pictorial display device
11/04/1980US4232078 Multi-colored synthetic resin sheet
11/04/1980US4231593 Check with electrically conductive layer
10/1980
10/28/1980US4230763 Open weave drapery fabric in association with a solar light-control film
10/28/1980US4230344 Business form with electrically conductive layer
10/21/1980CA1087953A1 Credit card carriers, apparatus and methods
10/07/1980US4226037 Wall display device
09/1980
09/30/1980CA1086628A1 Skivable billet and products
09/23/1980US4224362 Method of enhancing an embossed translucent flexible sheet material
09/23/1980US4223463 Recording tape carrier
09/17/1980EP0015307A2 Cashless-payment system for commodities or services
09/16/1980US4222189 Medallion
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