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United States Utility Patents
4,012,670 - 4,012,679
Previous 10 Next 10
| Number | | Title |
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4,012,670 |
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Protecting reinforced concrete pipe lines from lightning damage |
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4,012,671 |
|
Trigger circuit |
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4,012,672 |
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Plug-in module for electronic device having component forming a guide for aligning the module |
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4,012,673 |
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Timing valve control system |
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4,012,674 |
|
Dual motor web material transport system |
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4,012,675 |
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Switching system for solenoid reciprocator |
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4,012,676 |
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Device for driving recorders and printing carriages in data recorders |
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4,012,677 |
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Speed control for electrically propelled traction vehicles |
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4,012,678 |
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Starting circuit for single phase motor |
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4,012,679 |
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Method and apparatus for controlling the operation of synchronous motor |
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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