...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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| Number | Title | Issue Date |
| 7360291 | Method of manufacturing a recording tape cartridge A recording tape cartridge including: a reel, and gear teeth are provided at an inner side of a floor portion of a reel hub on which a recording tape is wound; a case which accommodates the reel, and an engaging projection is formed at a surface of the case opposing... | 04/22/2008 |
| 7227716 | Two tape, four reel cartridge and drive for wide magnetic recording tape A cartridge for a magnetic recording tape has a first pair of reels rotatably mounted therein which carry a first wide magnetic recording tape, and a second pair of reels disposed therein which carry a second wide magnetic recording tape. The reels are disposed in t... | 06/05/2007 |
| 7131609 | Dispenser for sheet material A dispenser adapted to dispense sheet material therefrom is provided and includes a housing including a base and a cover. The base includes a platform configured to support sheet material. The platform includes a dispensing disk and the platform has an outer perimet... | 11/07/2006 |
| 7100863 | Floating liner A floating liner for a container of welding wire which floating liner includes a tube having two ends and a passageway extending between the two ends. The floating liner is unsupported between the top of the container and the retaining ring. The floating liner is de... | 09/05/2006 |
| 7040568 | Dispenser for sheet material A dispenser adapted to dispense sheet material is provided and includes a housing including a platform configured to support a sheet material thereon. The platform includes a slot, and an adjustable orifice configured to alter a size of the slot is provided as well.... | 05/09/2006 |
| 6955317 | Recording tape cartridge A recording tape cartridge including: a reel, and gear teeth are provided at an inner side of a floor portion of a reel hub on which a recording tape is wound; a case which accommodates the reel, and an engaging projection is formed at a surface of the case opposing... | 10/18/2005 |
| 6575397 | Dispenser for sheet material A dispenser for dispensing sheet material includes a housing having a chamber configured to hold sheet material and an access door configured to provide both access to the chamber and closure to the chamber. The housing includes a dispensing member suppor... | 06/10/2003 |
| 6267321 | Dispensing apparatus and method A centerflow rolled paper dispenser is provided in which the dispenser comprises a housing containing a spring loaded drawer member that is slidable between an open and a closed position. The dispenser includes an upper housing and a support member within... | 07/31/2001 |
| 6145781 | Cable storage case permitting easy removal of cable stored therein A cable storage assembly including a storage case, a cable coil within the storage case, and an outlet opening in the side of the case through which the cable is withdrawn. A disc-shaped base is provided on the floor of the case and the cable coil is loca... | 11/14/2000 |
| 5391037 | Rack for supporting bobbins of textile filament The rack (1) for supporting bobbins (2) of filament is made up of several superposed rows of bobbins (2) mounted on spindles (X-X'). The rack (1) has a zone (3) for intermediate storage of bobbins (2) in which said bobbins are placed next to each other on... | 02/21/1995 |
| 5370338 | Variable orifice centerflow dispenser A centerflow dispenser for dispensing a rolled paper product which includes a device for varying the diameter of the dispensing orifice to accommodate rolled paper products of various weights, widths, bulks and tensile strengths. The dispenser includes a ... | 12/06/1994 |
| 5165316 | Chain merchandising apparatus A chain merchandising apparatus includes a frame, a cabinet secured to the frame, and chain support means mounted to the frame and located within the cabinet for supporting a plurality of chain containers. A chain cutter is moveably fixed to the apparatus... | 11/24/1992 |
| 5141171 | Structure of dispensing hopper for paper roll holder A dispensing hopper fastened in a paper roll holder at the bottom for dispensing a paper roll, the improvement comprising a hopper body having a rotary seat revolvably secured thereto at the bottom to hold an oscillating member permitting it to oscillate ... | 08/25/1992 |
| 4669681 | Cord-dispensing spool caddie A plurality of cord spool mounting spindles are arranged in parallel relationship in a planar row within an elongated case. The case has in it one or more dispensing ports through which cord can be dispensed from spools mounted on the spindles.... | 06/02/1987 |
| 4516677 | Modular pallet and shipping tray A pallet of moldable material, such as high density polyethylene, is ideally suited for transporting yarn packages having tubular cores. The pallet includes top and bottom surfaces with a repeating pattern of nubs upstanding from the top surface and a rep... | 05/14/1985 |
| 4369622 | Method and apparatus for drawing and blending textile materials A method is disclosed for drawing and blending textile fiber and conductive metal filaments. The method is characterized by feeding at least one bundle of a first textile material through draw rollers of a drawing frame, unwinding at least one roll of a b... | 01/25/1983 |