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...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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Class 237/12.4 - Car


Subclass of Class 237 - Heating systems
Definition: Heating systems for a car or train, combined with the locomotive
No. of patents: 2
Last issue date: 07/04/2006


NumberTitleIssue Date
7069880Engine cooling systems
A heater diverter valve (20) is provided in an engine cooling system having a radiator and a circulating pump, The valve has a first inlet (31) connected to a heater so that coolant flowing through the engine and then through the heater is returned to ...
07/04/2006
4502392Heat transfer apparatus for transportable liquid containers
A heat transfer apparatus adapted for installation in a mobile liquid container such as a railroad tank car. The apparatus includes inlet and outlet ports at opposite ends of a continuous finned pipe. The continuous finned pipe extends within the containe...
03/05/1985
 
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