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Your search returned 161 patents.
( 379/396 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 4935951 | Emergency telephone actuated signal light or the like device and method
| November 27, 1989 |
| 4926459 | Hearing assist telephone
| May 26, 1989 |
| 4918720 | Circuit device for controlling the actuated state of an electric appliance
| September 27, 1988 |
| 1 2 |
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