Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7013528 | Floor cleaner with dusting A battery-powered, upright vacuum sweeper comprises a base assembly and a handle pivotably attached thereto. The base assembly comprises a vacuum fan assembly fluidly communicating with an inlet for vacuuming dust and the debris particles from a surface into a remov... | 03/21/2006 |
| 6982009 | Method and device for cleaning abrasive plates on an abrasive machine The method of the present invention cleans abrasive faces of an upper abrasive plate and a lower abrasive plate of an abrasive machine. The method is executed by a cleaning device including: a nozzle for jetting water; a brush for preventing the jetted water from sc... | 01/03/2006 |
| 6606614 | Neural network integrated circuit with fewer pins A neural network integrated circuit comprises many neuron circuits each with a distance resister that is compared in a competition for the closest-hit with all the other neurons. Such closest-hit comparison is conducted bit-by-bit over the many bit positi... | 08/12/2003 |
| 5664276 | Brush-type sweeper A brush-type sweeper unit includes a prism-like body that has a base with an open front part, an open front face, and an upper face provided by a removable cap from which a handle for moving the sweeper unit extends. The body also includes parallel sidewa... | 09/09/1997 |
| 4696072 | Spatter guard for paint rollers The guard consists of an arcuate shaped trough member (6) which has a pad of absorbent material (7) fixed therein. The trough member (6) is mounted in a cradle (8) secured to a support member (9) fixed to a limb (4) of the paint roller assembly by a clamp... | 09/29/1987 |
