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 |
| 4248396 | Method and apparatus for detecting railroad cars A system for detecting railroad cars in a moving train. The cars are assumed to be of the type having two wheel trucks, each with at least two axles arranged adjacent to each other such that the maximum distance between the axles of a single truck is less... | 02/03/1981 |
