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 |
| 7059618 | Fluid automatic bicycle transmission A bicycle hub having a fluid automatic transmission receiving power input from the rider which uses drag to transfer power from an outer shell being rotated by the drive train to a stator and using applied torque to automatically control mechanical advantage in a li... | 06/13/2006 |
| 6062021 | Fluid coupling A fluid coupling includes an input shaft having a speed-increasing gear train, an impeller operatively connected to the input shaft, an impeller casing fixed to the impeller, and an output shaft having a runner operatively combined with the impeller. The ... | 05/16/2000 |
| 4187679 | Device for inverting the direction of rotation of a driven shaft In an oil-coupling arrangement for transferring the drive from a driving shaft to a driven shaft, particularly for the propulsion of ships, the improvement is disclosed wherein the oil cup system has switchable vanes which can be switched from one positio... | 02/12/1980 |
| 4167854 | Torque converter with internally reversible turbine shaft Gearing is normally used to obtain reverse operation from an output turbine. An improvement is provided herein in a torque converter (10) which comprises a stator (12), an impeller (14) and an output turbine (16). The improvement comprises a plurality of ... | 09/18/1979 |
