Patents
Sitemap › B43 - Writing or drawing implements; Bureau accessories › B43K - Implements for writing or drawing › B43K 27 - Multiple-point writing implements, e.g. multicolour; Combinations of writing implements
Patents for B43K 27 - Multiple-point writing implements, e.g. multicolour; Combinations of writing implements (2,153)
02/1987
02/04/1987CN85205526U Multipurpose fast change colour pen
01/1987
01/20/1987EP0151632A4 A kit comprising multicolored fluid dispenser together with eradicating fluid dispenser, stamps and stamp pad.
12/1986
12/03/1986CN85104303A Finger-cot pen
10/1986
10/22/1986CN85103428A Colour changeable pen
09/1986
09/09/1986US4610556 Writing instrument with plural tips
08/1986
08/20/1986CN85201349U Three in one: fountain pen, compass and rule
07/1986
07/29/1986US4602886 Multi-color marking implement
07/02/1986CN85200738U Multifunction pen
06/1986
06/25/1986CN85201428U Two-colour multipurpose pen
06/18/1986CN85204039U Two-way flat pen
05/1986
05/07/1986CN85203572U Quick-writing device for more than double fold receipt
04/1986
04/23/1986CN85202096U Finger-sleeve pen
03/1986
03/04/1986US4573818 Cap assembly for a single or plural writing instruments
02/1986
02/05/1986CN85201178U Multipoint pen
12/1985
12/24/1985US4560297 Writing implement
12/20/1985CN85200913U Fe-containing cards and the magnetic pen for turning them
10/1985
10/29/1985US4549827 Writing implement with two retractable cartridges
08/1985
08/21/1985EP0151632A1 A kit comprising multicolored fluid dispenser together with eradicating fluid dispenser, stamps and stamp pad
07/1985
07/10/1985EP0147905A2 Multi-color marking implements, and method and apparatus for their manufacture
06/1985
06/19/1985EP0145608A2 Means for protracting or retracting a ballpoint associated with a fountain or a felt-tip pen
04/1985
04/16/1985CA1185563A1 Coloring crayons
04/09/1985US4509875 Felt pen having two end caps
02/1985
02/28/1985WO1985000782A1 A kit comprising multicolored fluid dispenser together with eradicating fluid dispenser, stamps and stamp pad
08/1984
08/01/1984EP0114407A2 Writing utensil with two writing points
06/1984
06/26/1984CA1169815A1 Nib replaceable writing instrument
01/1984
01/03/1984US4424394 Carbonylation of arylmethyl halide, metal ironnitrosocarbonyl comp
11/1983
11/01/1983CA1156185A1 Multicolor writing implement
09/1983
09/27/1983US4406555 Nib replaceable writing instrument
11/1982
11/16/1982US4359291 Multicolor pen
10/1982
10/05/1982US4352579 Writing implement
08/1982
08/04/1982EP0056818A1 Drawing implements
02/1982
02/18/1982WO1982000444A1 Drawing implements
12/1981
12/29/1981CA1115237A1 Pen construction
12/08/1981CA1113888A1 Compound writing instrument
09/1981
09/22/1981US4290707 Writing instrument having multiple writing elements
08/1981
08/11/1981US4283151 Compound writing instrument
05/1981
05/12/1981US4266881 Pen with retractable point
04/1981
04/08/1981EP0026212A1 Pen construction
04/01/1981EP0025865A1 Multi-colour writing implement
12/1980
12/09/1980US4238161 Spotting device
11/1980
11/26/1980EP0019195A1 Seam marking device
10/1980
10/14/1980US4228028 Ball point pen, ink, and its eradicator system
10/14/1980US4227822 Composite writing instrument
10/02/1980WO1980002011A1 Pen construction
09/1980
09/09/1980US4221491 Pen construction
05/1980
05/13/1980US4202641 Multiple-point writing instrument including a mechanical pencil unit
04/1979
04/10/1979US4148591 Writing unit locking mechanism in a multiple-point writing implement including a mechanical pencil unit
11/1978
11/28/1978CA1043294A1 Writing pencil with disposable presharpened lead stubs
10/1978
10/17/1978US4120595 Pen for writing a double line
01/1977
01/04/1977US4000950 Writing instrument
10/1976
10/12/1976US3985455 Convertible writing instrument
03/1976
03/09/1976US3942902 Device for spreading mixtures of primary colors in fluid form
03/02/1976US3941488 Marker/anti-marker system
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