Patents
Patents for B44F 1 - Designs or pictures characterised by special or unusual light effects (8,737)
08/1980
08/12/1980US4217326 Method for making a cut glass panel
08/12/1980CA1083714A1 Portable card for electrical signal processing system and method for making same
08/05/1980US4215812 Magnetic information carrier
07/1980
07/29/1980US4214747 Mobile geometrical form
07/23/1980EP0013557A2 Method of laminating sheets and a press comprising two plates for the application of this method
07/23/1980EP0013418A1 Identification card and method of manufacturing the same
07/22/1980US4214031 Conductive substrate for electrosensitive recording material
07/09/1980EP0013021A1 Identity card
06/1980
06/25/1980EP0012581A1 Decorative emblems and method for making same
06/25/1980EP0012191A1 Falsification-proof foil and its use, as well as a method for the falsification-proof marking of objects
06/17/1980US4208231 Method of making multilayer edge-sealed record carrier
06/11/1980EP0011684A2 Identification card
06/10/1980CA1079401A1 Secure property document and system
06/03/1980CA1078961A1 Checking an identity, authority or check document or the like
05/1980
05/27/1980US4205036 Method of making simulated three-dimensional stained glass objects
05/27/1980US4204638 Process of coding a card with a diffraction grating having lines with irregular spacing
04/1980
04/08/1980US4197351 Metal-pigmented plastic powder
04/08/1980US4197337 Optical transformation of metallized polymeric film material
04/01/1980CA1074629A1 Embossed decorative sheet-type material and process for making same
03/1980
03/25/1980US4194669 Attaching lead strips by soldering rivets inserted through holes in strip and panel
03/25/1980CA1074362A1 Tamper proof graphic patterns
03/19/1980EP0008677A1 Method for producing a translucent profilated cellular plastics panel with textured light-scattering surface
03/11/1980US4193013 Cathode for an electron source and a method of producing the same
03/11/1980US4192905 Imitation bevel edging
03/11/1980CA1073281A1 Glass sheet with appearance of plurality of parallelogram panes
03/04/1980CA1072792A1 Glass panes having non reflective patterns thereon
02/1980
02/26/1980CA1072329A1 Leaded glass pane
02/12/1980US4188256 Apparatus for manufacturing identification plates having indented retroreflective characters
02/12/1980CA1071447A1 Black and white diffractive subtractive light filter
02/05/1980US4186943 Security devices
01/1980
01/29/1980CA1070496A1 Phosphorescent materials
01/15/1980US4183989 Security papers
01/01/1980US4180930 Reflected three dimensional display
12/1979
12/25/1979US4180207 Security material and secure document system using said material
12/04/1979US4177309 Adding a detackifying polar wax to adhesive deposited on carrier sheet
11/1979
11/20/1979US4174857 Game ticket
11/06/1979US4173672 Decorated safety glass
10/1979
10/16/1979CA1064244A1 Method of tagging with color-coded microparticles
10/03/1979EP0004464A2 Polyvinyl butyral-liquid crystal film-forming composition and its use
09/1979
09/04/1979CA1061535A1 Fluorescent ink composition for jet printing
08/1979
08/21/1979CA1060917A1 Copy-proof multi-layer identification card
08/21/1979CA1060865A1 Device for producing aesthetic lighting effects
07/1979
07/17/1979US4161557 Polyvinyl butyral-liquid crystal film-forming composition and film
05/1979
05/08/1979US4153593 Fluorescent ink composition for jet printing
05/01/1979US4152483 Gelatin, bum arabic
05/01/1979US4151667 Novel I.D. cards
03/1979
03/13/1979US4143891 Coating of microcapsules of oleic acid
03/06/1979US4143180 Identification method for glass using transparent indicia of aluminum monohydrate
02/1979
02/20/1979US4140373 Dual-hologram identity card
02/13/1979US4139667 Gemstone cloisonne
02/13/1979US4139654 Medallion-like articles, lamp lenses and method for their manufacture
02/13/1979CA1048315A1 Diffractive subtractive color filtering technique
02/06/1979US4138517 Article of ornamented clothing and method of ornamenting the same
02/06/1979US4138515 Geometric iridescent image
02/06/1979US4138511 Melting a plastic
01/1979
01/23/1979US4136229 Pyrenesulfonic acids, fluorescent dyes
01/23/1979CA1047163A1 Magnetic type information card and method and apparatus for encoding and reading
12/1978
12/12/1978US4129671 Decorative mirrored article with bevel-effect producing edges
12/12/1978CA1044392A1 Metal-pigmented plastic powder and process
12/05/1978US4128685 Cellulose acetate butyrate, anionic acrylate, silica, polyazo direct dye
11/1978
11/28/1978US4127689 Simulated stained glass articles
11/14/1978US4124947 Graphic pattern or the like and method of producing the same
10/1978
10/24/1978US4122237 Double image printed member
10/10/1978US4119361 Multilayer identification card
09/1978
09/19/1978US4115618 Novel protective plastomeric sheet for identification card
09/19/1978US4115602 Method of reprinting on a print removable paper product
09/12/1978US4114032 Documents having fibers which are coated with a magnetic or magnetizable material embedded therein and an apparatus for checking the authenticity of the documents
09/12/1978US4113487 Layer of photo-setting and expandable resin exposed to partially screened light
09/05/1978US4112142 Immersion in titanium and silicon containing solution
08/1978
08/29/1978US4110393 Method of making simulated three-dimensional stained glass objects
08/22/1978US4109047 Rub-on security cards
08/22/1978CA1037159A1 Processing link control system for data processing equipment
07/1978
07/25/1978US4103052 Parallelograms, opaque coating
07/18/1978US4101698 Elastomeric reflective metal surfaces
07/11/1978US4100011 Production of laminated card with printed magnetically encodable stripe
07/11/1978US4100010 Method for making decorative emblems
06/1978
06/27/1978US4097279 Bonding, heat sealing
06/20/1978US4095824 Secure contest card
06/06/1978USRE29663 Moisture-resistant solar control film
06/06/1978US4093489 Process for laminating photographs and the like into molded articles of melamine-formaldehyde resin
05/1978
05/30/1978US4092449 Alteration-sensitive imprinted article
05/02/1978US4087570 Decoration curing photosensitive polymer
04/1978
04/25/1978US4085533 Device for producing aesthetic effects
04/11/1978US4083916 Divider strips
03/1978
03/28/1978US4081132 Credit cards and other security documents
03/14/1978US4078492 Making a decorative stained glass effect window shade
02/1978
02/21/1978US4075386 Polyesters, polyurethanes, pressure sensitive adhesives, detergents
02/21/1978US4075049 Method of preparing retroreflective sheeting
01/1978
01/24/1978US4070216 Method of producing a bas-relief with a motif which varies with light and the bas-relief thus obtained
01/17/1978US4068441 Cut glass panel
12/1977
12/13/1977US4062628 Black-and-white diffractive subtractive light filter
11/1977
11/15/1977US4058839 Magnetic-type information card and method and apparatus for encoding and reading
11/08/1977US4057850 Processing link control device for a data processing system processing data by executing a main routine and a sub-routine
10/1977
10/11/1977US4053433 Method of tagging with color-coded microparticles
09/1977
09/13/1977US4048359 Method of manufacturing polychromatic yarns
09/06/1977US4047033 Checking an identity, authority or check document or the like
08/1977
08/30/1977US4045264 Method of manufacturing plastic shells for drums
08/09/1977US4040353 Process for coloring surfaces
07/1977
07/26/1977US4038524 Data carrier optically readable by transmission and method of manufacturing such a data carrier
07/19/1977US4037007 Coloring
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