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United States Utility Patents
4,021,700 - 4,021,709
Previous 10 Next 10
| Number | | Title |
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4,021,700 |
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Digital logic control system for three-phase submersible pump motor |
|
4,021,701 |
|
Transistor protection circuit |
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4,021,702 |
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Arrangement for detecting deficient operational capability of vacuum switching vessels |
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4,021,703 |
|
Phase imbalance detection circuit |
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4,021,704 |
|
Phase sequence correcting system for three-phase AC power |
|
4,021,705 |
|
Resonant tag circuits having one or more fusible links |
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4,021,706 |
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Power transmission |
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4,021,707 |
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Compensated probe for capacitive level measurement |
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4,021,708 |
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Verticle adjustable capacitor assembly |
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4,021,709 |
|
Method and device for charging an electrophotographic photosensitive material |
For U.S. patent law, rules, and procedures see MPEP.
Disclaimer. Information presented on this page while believed to be reliable, is provided "as is" with no warranties of its accuracy or timeliness. For legal advice seek help of a licensed professional.
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