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 |
| 7104338 | Sweeper chain support system A sweeper chain support system for allowing efficient removal of debris between a sweeper chain and a digger chain. The sweeper chain support system includes a rear roller supporting a rear portion of a sweeper chain, a pair of rear arms attached to the rear roller ... | 09/12/2006 |
| 5060732 | Cylinder-type ground-raking attachment for a bucket-equipped tractor A ground raking attachment for bucket-equipped tractor includes a toothed, cylindrical rotor which works the soil and at the same time rakes the ground free of rocks, refuse, roots, sticks and other debris which is transferred to the tractor bucket by the... | 10/29/1991 |
| 4609049 | Rotary wheel type rock picker A wheel mounted pull type chassis includes a side hitch bar for securement to a tractor or the like. A reel assembly is journalled for rotation and is situated transversely at the front of the chassis and picks up rocks, stones, dirt, etc. and deposits sa... | 09/02/1986 |
| 4609050 | Root and rock picker A root picker includes a main frame supporting within it a triangular picker frame pivoted on the main frame at one apex with a lower and rearwardly positioned apex supporting a picker roller which is rotated to pick stones from the ground. A conveyor cha... | 09/02/1986 |
| 4113023 | Multiple shaft, ground-raking attachment for bucket-equipped tractors A ground-raking attachment adapts bucket-equipped tractors for raking a ground surface free of rocks, refuse, roots, sticks and other debris. The attachment includes a frame and means for pivotally mounting the frame on a tractor bucket. The frame mounts ... | 09/12/1978 |
| 4050518 | Beach cleaning apparatus A beach cleaning apparatus comprises a forward assembly operatively connected to a trailer member, the forward assembly having a body portion rollably supported on a pair of spaced wheels and adapted for connection to a towing vehicle. A vertical member r... | 09/27/1977 |
