Did You Know...
...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.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6577394 | Imaging system using polarization effects to enhance image quality The quality of images produced by confocal microscopy, and especially scanning laser confocal microscopy, is enhanced especially for images obtained in turbid mediums such as many biological tissue specimens, by reducing speckle from scatterers that exist... | 06/10/2003 |
| 6530705 | Label printer which handles label stock with and without peelable labels A label printer feeds stock having peelable labels or without peelable labels fed by a platen roller against which a print head bears. A bail carrying a bail roller which is latchable in two positions, is provided. In one of these positions, the bail roll... | 03/11/2003 |
| 6483439 | Multi color and omni directional warning lamp A warning lamp, provides multi status indication by being illuminated in selected ones of a plurality of colors or by flashing a selected color or colors sequentially. The lamp has a pair of printed circuit boards disposed, one in a base and another upsta... | 11/19/2002 |
| 6409011 | Gate conveyor A conveyor has an endless belt which encompasses a gate section and a fixed section thereof Both the gate section and fixed section have beds which extend lengthwise and widthwise thereof between rails which extend along the lengths of the section. The ed... | 06/25/2002 |
| 6385833 | Apparatus for installing weatherstripping into frames In order to facilitate the installation of weatherstripping into channels, usually T-slots, of frames in windows and doors, variations in size of the slots is accommodated by changing the size of interference members extending from the backing strip of th... | 05/14/2002 |
| 6364550 | Printer weighing less than two pounds with card reader and encoder A miniature printer is provided with a printer mechanism in a housing. A thermal printhead is fixedly mounted in the mechanism. The mechanism and the housing define a compartment for a roll of paper which is loosely disposed in the housing and is extended... | 04/02/2002 |
| 6366127 | Digital CMOS voltage interface circuits CMOS voltage interface circuits have low power consumption, and minimal delays and power dissipation for the driving strength of the output. The circuits use a interface block which is operative upon the applied input signal, depending upon its state and ... | 04/02/2002 |
| 6304373 | Imaging system using multi-mode laser illumination to enhance image quality The quality of image produced by confocal microscopy, and especially scanning laser confocal microscopy, is enhanced especially for images obtained in turbid mediums such as many biological tissues specimens, by reducing speckle from scatterers that exist... | 10/16/2001 |
| 6166590 | Current mirror and/or divider circuits with dynamic current control which are useful in applications for providing series of reference currents, subtraction, summation and comparison Circuit useful as current mirror and/or current divider has a circuit topology containing mirror and reference transistor pairs, respectively provided by MOS P and N type transistors for the up and down mirrors. The mirror transistor in each pair is follo... | 12/26/2000 |
| 6134009 | Imaging system using polarization effects to enhance image quality The quality of images produced by confocal microscopy, and especially scanning laser confocal microscopy, is enhanced especially for images obtained in turbid mediums such as many biological tissue specimens, by reducing speckle from scatterers that exist... | 10/17/2000 |
| 6134010 | Imaging system using polarization effects to enhance image quality The quality of images produced by confocal microscopy, and especially scanning laser confocal microscopy, is enhanced especially for images obtained in turbid mediums such as many biological tissue specimens, by reducing speckle from scatterers that exist... | 10/17/2000 |
