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...that the inventor of the electric motor was a blacksmith named Thomas Davenport? Described as "a brilliantly unsuccessful inventor", Davenport invented the first rotary electric motor. In 1836 he headed out -- on foot -- from his Vermont home to file a patent application at the Patent Office in Washington, D.C. By the time he got there, he had squandered away his money and couldn't afford the $30 filing fee so he turned around and went home. When he later mailed in his application with money he'd raised, the Patent office was destroyed in a fire. He did finally get credit for his invention on Feb. 5, 1837.

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Assignee: Douglas & Lomason Company


Location: FarmingtonHills, MI
No. of patents: 20

NumberTitleIssue Date
5647634Child restraint seat
The present invention is directed to a "fold-out" or integral child seat having a mechanism interconnecting a seatback member, a headrest member and a seat member for causing coordinated movement therebetween. When it is desired to deploy the integral chi...
07/15/1997
5603550Vehicle seat interlock system
A seat interlock system for use with a vehicular seat having a fold-down seatback equipped with a deployable integral child seat. An interlock mechanism is interdisposed between a seatback latching mechanism and a child seat latching mechanism. When the s...
02/18/1997
5597206Easy entry seat adjuster
A manually-adjustable seat assembly for use in motor vehicles is disclosed as having a manual seat adjuster equipped with a seat latch mechanism and an easy entry latch release mechanism. The seat latch mechanism can be manually shifted from a latched mod...
01/28/1997
5588700Child safety seat with side bolsters
A "fold-out" or integral child restraint seat having a mechanism interconnecting a seatback member and a seat member for causing coordinated movement therebetween. When it is desired to deploy the integral child seat, the seatback member is automatically ...
12/31/1996
5564780Child restraint seat
The present invention is directed to a "fold-out" or integral child seat having a mechanism interconnecting a seatback member, a headrest member and a seat member for causing coordinated movement therebetween. When it is desired to deploy the integral chi...
10/15/1996
5498062Child restraint seat
A "fold-out" or integral child restraint seat having a mechanism interconnecting a headrest member and a seat member for causing coordinated movement therebetween. When deployed the headrest member is automatically rotated to a raised position in coordina...
03/12/1996
5449216Integral child seat and seat frame combination
A vehicular seat is disclosed having a built-in child restraint seat integrated into its underlying frame structure. Segments of the frame structure are adapted to yield in a controlled manner under certain high load conditions to absorb a portion of the ...
09/12/1995
5407510Method for bonding a cover to a flexible pad
An assist fixture is provided to clamp about a seat assembly, whereupon each are immersed into pressed relation against a heated fluidized bed. The seat assembly includes a preformed flexible pad having an appearance surface and a cover adapted to be adhe...
04/18/1995
5390982Adjustable belt guide and headrest
An adjustable belt guide and headrest apparatus for a vehicle seat. The apparatus includes a pair of first track members and a pair of second track members slidable longitudinally relative to the first track members. An upper end of the second track membe...
02/21/1995
5383640Seat position adjusting apparatus
A vehicular seat having an adjustment apparatus for horizontally and vertically positioning the seat is provided. The adjustment apparatus includes a four bar mechanism that extends from a base and supports cushioned seat members. As the four bar mechanis...
01/24/1995
5322348Automotive seat adjustment mechanism with traveling seat belt buckle arrangement
A manually-operable automotive seat adjustment mechanism equipped with a traveling seat belt buckle anchor arrangement is disclosed. The traveling seat belt buckle anchorage arrangement is adapted to transfer vertically directed separation loads imparted ...
06/21/1994
5286076Seat slide device
An interlocking track arrangement for a seat slide device of the type used in manually-operable vehicle seat slide mechanisms is disclosed. The seat slide device also includes a latching arrangement having a lock plate fixed to a lower track and a latch p...
02/15/1994
5238285Folding vehicle bedseat
A folding vehicle bedseat assembly having upper and lower seat cushion portions with corresponding upper and lower frames is disclosed. A preferred folding and support mechanism of the assembly provides for the seat assembly to be moved between an unfolde...
08/24/1993
5207480Six-way manual seat adjustment mechanism
A manually-operable six-way seat adjustment mechanism having a pair of laterally spaced tracks which are fixed securely to the vehicle's floor pan. A pair of carriages are slidably coupled to the tracks and are operable for synchronous longitudinal moveme...
05/04/1993
5101964Transportation pallet system
A transportation pallet system for mounting, transporting, and handling a workpiece, such as a prefabricated automobile seat, which facilitates the installation of the workpiece into a final product where the final installation process is accomplished by ...
04/07/1992
4979716Four-way manual automotive seat adjustment assembly
A manually operable four-way automotive seat adjustment assembly is disclosed. The assembly includes a fore and aft adjustment mechanism together with a vertical adjustment mechanism that enables the seat frame member to pivot up and down relative to the ...
12/25/1990
4800619Wear insert for a door channel
A wear resistant track for the rollers of an overhead door to roll against includes a pair of uniform longitudinally extruded members such as an insert and a channel and locking means for releasably interlocking the members together whereby a planar surfa...
01/31/1989
4763397Depression staking process
A method and apparatus for bonding two articles and in particular a metal trim strip to a thermoplastic article such as is used for automotive decorative window trim. The thermoplastic article includes a raised ridge portion which serves to provide means ...
08/16/1988
4577454Valve bag placing machine and method
The invention relates to an improved valve bag placing machine and method. The valve bag placing machine according to this invention is adapted to remove a valve type bag from a stack on an indexing conveyor, open the valve opening thereof, and insert thi...
03/25/1986
4401174Weigh scale machine having solid-state controller
A weigh scale machine for automatically filling bags/containers including an infeed chute, a weigh bucket, a scale mechanism, and a discharge hopper. Initially, the flow gate located between the infeed chute and the weigh bucket is open and product is per...
08/30/1983
 
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