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United States Utility Patents
4,498,070 - 4,498,079
Previous 10 Next 10
| Number | | Title |
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4,498,070 |
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Semi-conductor transducer and method of making the same |
|
4,498,071 |
|
High resistance film resistor |
|
4,498,072 |
|
A/D Converter having a self-bias circuit |
|
4,498,073 |
|
Keyboard with simultaneous operations |
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4,498,074 |
|
Selectively testable fire detector |
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4,498,075 |
|
Fault indicator apparatus for a multi-zone intrusion system |
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4,498,076 |
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Resonant tag and deactivator for use in an electronic security system |
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4,498,077 |
|
Annunciator |
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4,498,078 |
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Sewing machine with a voice warning device |
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4,498,079 |
|
Prioritized overlay of foreground objects line buffer system for a video display system |
For U.S. patent law, rules, and procedures see MPEP.
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