Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 3962009 | Decorative laminated structures and method of making same A decorative laminated structure having on its surface a pattern composed of concaves and convexes which are formed by local heat shrinkages of a layer of a heat-shrinkable resin sheet employed. Such decorative laminated structure can be obtained by layin... | 06/08/1976 |
| 3960078 | Printing processes Intaglio Printing with a viscous fluid on to non-porous substrates using intaglio plates in which the image cavity is vented to the outside through non-return valve means, thus permitting the escape of air trapped between the non-porous substrate and the ... | 06/01/1976 |
| 3952119 | Process for coloring absorptive, rough surface paper A method for coloring, dyeing-in or inking absorptive, rough surface paper, particularly paper which is subsequently saturated and/or impregnated with a solution of a heat-hardenable synthetic resin and then dried and pressed on a substrate, such as, wood... | 04/20/1976 |
| 3944701 | Photographic film unit having gravure coated, tapered thickness layer Method for making sheet materials are disclosed having a layer or layers of a non-uniform thickness, in particular a method of making sheet materials tapered from a maximum thickness near one and to a minimum thickness near the opposite end; and sheet mat... | 03/16/1976 |
| 3942440 | Method of making a printing form A printing form is made by heating a foil of synthetic thermoplastic material and embossing one surface thereof with a plurality of spaced depressions, with the resulting formation at the opposite surface of a corresponding plurality of protuberances.... | 03/09/1976 |
| 3931432 | Printing process Process for gravure or flexographic printing of flexible substrates wherein the printing vehicle comprises a dispersion of film-forming polymer particles in an inert organic liquid, the dispersion being stabilised by a defined polymeric stabiliser and bei... | 01/06/1976 |
