Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7334924 | Illumination apparatus for an optical occupant monitoring system in a vehicle An optical occupant monitoring arrangement for a vehicle includes a mounting device attached to a fixed structure of the vehicle. A frame is pivotably attached to the mounting device. A rearview mirror is retained within the frame. An optical energy source is fixedl... | 02/26/2008 |
| 5576699 | Method and apparatus for transferring information by utilizing electron beam In a method for transferring information in a form of electron beam, an electron beam detector detects the electron beam, and emission of the electron beam from a predetermined electron beam source is controlled in accordance with a signal from the detect... | 11/19/1996 |
| 5574438 | Method for transferring information, and in particular for performing a logic operation, using electron beams In a method for transferring information in a form of electron beam, an electron beam detector detects the electron beam, and emission of the electron beam from a predetermined electron beam source is controlled in accordance with a signal from the detect... | 11/12/1996 |
| 5355127 | Method and apparatus for transferring information by utilizing electron beam In a method and apparatus for transferring information in a form of electron beam, an electron beam detector detects the electron beam, and emission of the electron beam from a predetermined electron beam source is controlled in accordance with a signal f... | 10/11/1994 |
