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 |
| 7350332 | Wall-mounted sliding door system and method A sliding wall-mounted interior door system that includes a telescoping door actuating mechanism that is attached to the upper portion of the door, and a roller assembly that extends horizontally from the wall and engages a track in the lower portion of the door. Th... | 04/01/2008 |
| 7254918 | Emergency unlocking device for locking and unlocking systems for swinging sliding doors, in particular of rail vehicles An emergency unlocking device for locking and unlocking systems for swinging sliding doors, in particular of rail vehicles. The emergency unlocking device has a traction device that engages on a first spring-loaded pivoted lever that is connected via a second lever ... | 08/14/2007 |
| 6996460 | Method and apparatus for providing virtual touch interaction in the drive-thru The present invention is a method and apparatus for providing an enhanced automatic drive-thru experience to the customers in a vehicle by allowing use of natural hand gestures to interact with digital content. The invention is named Virtual Touch Ordering System (V... | 02/07/2006 |
| 6212826 | Reciprocating barrier assembly The assembly includes a pair of parallel guide rails, each shaped generally as an inverted U; a first gate segment having at least one pair of rollers positioned on opposite lateral sides thereof, where each roller is received within a respective one of t... | 04/10/2001 |
| 5934021 | Pivotable safety gate A pivotable safety gate having a pair of spaced apart parallel support frames which each have a distal end and a proximal end. The frames each have a support stanchion which is disposed adjacent the proximal end of the frame. The stanchions support a pivo... | 08/10/1999 |
| 5701701 | Safety gate A safety gate is provided for limiting access to a work area. The safety gate includes a linkage pivotally connected to a support, and front and rear gates each being pivotally connected to one end of the linkage. As the linkage pivots about the support t... | 12/30/1997 |
| 5651428 | Stationary actuator moving vane elevator car door coupling A coupling for causing an elevator car door to engage an elevator hoistway door includes a pair of vanes, each end of each vane pivoted on a link connecting it with the other vane, the links being disposed for rotation between said two vanes on an elevato... | 07/29/1997 |
| 5505280 | Elevator door system An elevator car has a car door having a arcuate cross-section and attaching to and rotating about a pivot. A hoistway door has an arcuate cross-section and is selectively coupled to a car door to open and close therewith.... | 04/09/1996 |
| 5487449 | Magnetic elevator door coupling A magnetic coupling device is disposed on an elevator car door in a position to engage a magnetic vane disposed on a hoistway door which is to be opened in unison with the car door. The magnetic coupling unit may comprise either an electromagnet or a perm... | 01/30/1996 |
| 5441325 | Vanity mirror with opposed sliding covers A vehicle accessory such as a visor includes a body with a vanity mirror frame and mirror mounted thereto. A pair of opposed covers are slidably coupled to the mirror frame and are coupled together such that movement of one cover between an open and close... | 08/15/1995 |
| 5427205 | Elevator hoistway door support system An elevator door hanger comprises a support and a linkage attaching to the door and to the support. The linkage allows the door to move in at least two axes as said door opens and closes. The linkage comprises a pair of rods which maintain the door vertic... | 06/27/1995 |
| 5409149 | Mixer housing gate assembly A dump gate assembly as for a feed mixer housing including first and second hinged gates swingable between upper closed condition and lower open condition, each gate having a cam track preferably in the form of a configurated gate stiffener cooperable wit... | 04/25/1995 |
| 5407029 | Elevator landing An elevator landing, which is used with a curvilinear hoistway door has a lintel, a guide attached to the lintel, the guide having a curvilinear slot having an inner edge and an outer edge for guiding an upper portion of the curvilinear door and, a curvil... | 04/18/1995 |
| 5377783 | Elevator door drive An elevator drive, which moves an arcuate car door attaching to a support that rotates about an axis, has a motor having an output, an arm attached to the output, and a linkage having a first coupling allowing compound motion attached to the arm and a sec... | 01/03/1995 |
| 5332279 | Power door operator for multi-passenger mass transit vehicles A power door operator for multi-passenger mass transit vehicles, typically buses, features electric actuation of dual swinging doors. A manual activator having an ergonometrically correct actuating plunger, for emergency door opening, operates a sleeved c... | 07/26/1994 |
| 5301994 | Dual synchronous opening mirror doors for sun visors A hollow visor is provided which is adapted to receive a mirror and which defines a channel. A plurality of doors are provided which are located within the visor and which are movable within the channel for selectively moving between an extended position ... | 04/12/1994 |
| 5197775 | Glove compartment A glove compartment includes an upper lid and a lower door operatively connected to open both the lid and the door in response to the opening of the lower door to reduce the package space necessarily provided in a vehicle for a glove compartment closure. ... | 03/30/1993 |
| 5029414 | Serving window In a serving window having a pair of center-opening swinging window members of the type illustrated and described in U.S. Pat. No. 4,862,639, a crank pin, extending downwardly from the crank arm of each window member, extends into a channel carried by an ... | 07/09/1991 |
| 4862639 | Drive-in window A serving window for installation in drive-through facilities such as fast food restaurants is disclosed. The window unit comprises two window members carried by rotatable shafts and set in a support frame, preferably of stainless steel, with an operating... | 09/05/1989 |
| 4693033 | Mechanism for opening, closing and locking two leaved doors for cable cars A mechanism for opening, closing and locking doors with two leaves for cable cars, wherein the two leaves of a car door are controlled at the top and the bottom by a crank lever integral with a control piece movable horizontally in the vertical plane of s... | 09/15/1987 |
| 4614059 | Automatic window An automatic window includes an inverted U-shaped frame having a pair of window units pivotally supported within the frame for movement between open and closed positions. The combined width of the window units is substantially less than the spacing betwee... | 09/30/1986 |
| 4302908 | Livestock detaining gate A livestock detaining gate preferably constructed of steel, having a gate latch system for locking gate panels into a closed position, and for permitting the panels to rotate into either a forward or rear open position. The latch system is preferably comp... | 12/01/1981 |
| 4087939 | Door operator with locking mechanism Door operator for doors on a passenger carrying vehicle such as a bus or the like for moving a door between open and closed positions and having a locking mechanism with a lost motion action for unlocking the doors prior to the door opening cycle.... | 05/09/1978 |
