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 |
| 4577986 | Joint mechanism for folding ladders, furniture and the like A joint mechanism comprised of two pivotally connected joint members rotatable about a common axis is lockable in one of a series of predetermined positions by engagement of a spring-biased pawl provided within one joint member within notches distributed ... | 03/25/1986 |
| 4499619 | Baby bed A baby bed includes front and rear frames (2, 3), a hammock (4) suspended from the front and rear frames (2, 3), front and rear legs (5, 6), and base blocks (7, 8) adapted to rotatably support the front and rear frames (2, 3) and the front and rear legs (... | 02/19/1985 |
| 4354710 | Hinge for a chaise and the like A hinge for a chaise and the like has a first hinge element having a segment portion with a plurality of first arresting formations, a second hinge element provided with an arresting member pivotally mounted on the same and having control faces and a plur... | 10/19/1982 |
| 4326731 | Folding cart A material transporting cart, including a horizontal platform upwardly pivotable about a transverse hinge across its center, the opposite ends of the platform being pivoted on vertical end frames, the lower ends of the end frames and the upwardly foldable... | 04/27/1982 |
| 4230414 | Ratchet-action hinge device A hinge device for supporting an armrest on a vehicle seat includes a ratchet mechanism in which ratchet teeth are disposed around the inside of a ratchet ring for engagement with a pawl carried by a rotor within the ring. A blocking ring coaxial with the... | 10/28/1980 |
| 4194784 | Bench back rest convertible to locked table top The present invention relates to an improved apparatus for use in connection with a convertible table, seat structure whereby the back portion of the seat can be moved to a position relative to the seat portion of the seat such that the back portion funct... | 03/25/1980 |
| 4121605 | Walking cane assembly A walking cane assembly involving a cane having a cane stabilizing arm extendable laterally from the cane at a location on said cane approaching the cane handle and terminating in a free end within convenient reach of the hand other than the one holding t... | 10/24/1978 |
| 4111319 | Apparatus for loading and unloading a working machine to and from main equipment Apparatus for loading and unloading a working machine to and from main equipment, comprising a pair of upper and lower supporting members disposed at main equipment, a pair of upper and lower fixtures disposed at the working machine so as to correspond to... | 09/05/1978 |
| 4109320 | Attaching assembly An assembly is provided which is adapted to be used in attaching a secondary unit, such as a face protective device, to a primary unit, such as a safety helmet. The helmet is of rigid material and has the lower peripheral edge thereof provided with a flan... | 08/29/1978 |
