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 |
| 5031379 | Message receiving arrangement A message receiving arrangement operative to reduce the risk of uncontrolled distribution of transmitted and printed messages. The arrangement includes a sheet-store and printing mechanism for printing messages on sheets taken from the store and a supply ... | 07/16/1991 |
| 4809160 | Privilege level checking instruction for implementing a secure hierarchical computer system A low overhead way for insuring that only routines of sufficient privilege can execute on a secured page of memory in an hierarchial computer system, and for raising the privilege level of a low privilege process in an orderly and secure way is presented.... | 02/28/1989 |
| 4701233 | Method for folding and sealing sheets A method for folding and sealing sheets comprises feeding a sheet forward along a path, bulging a portion of the sheet, folding said bulged portion, adhering a portion of the sheet face to face to a portion thereof trailing backward of the fold, and passi... | 10/20/1987 |
| 4106060 | Electronic mail box An electronic mail box includes an entry slot for receiving a letter to be transmitted electronically to a remote point, an optical reader for converting the letter text to electronic signals, and a keyboard for receiving the address of the addressee. The... | 08/08/1978 |
| 3992571 | Differential optical polarization detectors A detector for differential optical polarization effects comprises a television camera incorporating a polarization analyzing system, the camera generating two similar video signals representing two views of the same scene which are derived by means of li... | 11/16/1976 |
