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 |
| 7772512 | Push plate assembly A push plate assembly sends a signal to a receiver. The push plate includes a housing, a push plate, a signal generator, a biasing member, a first latch element, a second latch element, and a button. The push plate is movably mounted to the housing. The signal gener... | 08/10/2010 |
| 7522042 | Door accessory power system A powered door accessory system generally includes a powered door accessory assembly, a generator, and a power storage device. In an embodiment, the powered door accessory assembly includes an electric drive and a driven member operatively connected to the electric ... | 04/21/2009 |
| 7273241 | Door latch actuator A door latch actuator includes a housing, a latch bolt pin actuator, and a spring latch bolt actuator. The housing includes a strike plate defining a latch opening. The latch bolt pin actuator is mounted for movement in the housing between a first extended position ... | 09/25/2007 |
| 7146761 | Gun barrel safety lock with hand ratcheting wrench A gun safety device includes a barrel plug assembly having a first compression member, a second compression member, an expansion member, a joining member, and an adjustable extension rod assembly. The expansion member is sandwiched between the first compression memb... | 12/12/2006 |
| 7011348 | Adjustable door strike plate and assembly An adjustable strike plate assembly includes a door strike housing and an insert plate. The door strike housing includes a strike plate having an opening and walls depending from the strike plate to define a cavity. The insert plate is adapted to mount to at least o... | 03/14/2006 |
| 7010947 | Remote door entry system A door entry system includes control means for controlling operation of the door entry system and a deadbolt assembly that is operable to selectively lock a door. The deadbolt assembly includes: a first bolt member movable between an extended and a retracted positio... | 03/14/2006 |
| 6701655 | Gun barrel safety lock with hand ratcheting wrench A gun safety device includes a barrel plug assembly (A) which is installed in a barrel of a gun. The barrel plug assembly (A) has an expansion tube (14), a pair of compression members (12, 16) and a joining member (10). The expansion tube (14) applies a f... | 03/09/2004 |
| 6580355 | Remote door entry system A remote control door entry system, which may be installed in a door jamb/frame, in the center frame post of a door assembly that has a side light glass unit, or centered in the edge of the stationary door of a double door arrangement. The slim design of ... | 06/17/2003 |
