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Your search returned 35 patents.
( 340/5.27 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 5056141 | Method and apparatus for the identification of personnel
| June 18, 1986 |
| 4992785 | Installation for controlling and monitoring the different coded locks of an assembly
| July 8, 1987 |
| 4905559 | Musical electronic lock
| March 21, 1988 |
| 4845490 | Electronic locking system
| January 28, 1987 |
| 4812841 | Computer-controlled password lock
| May 26, 1987 |
| 4719566 | Method for entrapping unauthorized computer access
| October 23, 1985 |
| 4509093 | Electronic locking device having key and lock parts interacting via electrical pulses
| July 11, 1983 |
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