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United States Utility Patents
4,246,630 - 4,246,639
Previous 10 Next 10
| Number | | Title |
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4,246,630 |
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Ultraviolet emitting Ce alkaline earth aluminate lamp phosphors and lamps utilizing same |
|
4,246,631 |
|
Vehicle headlamp |
|
4,246,632 |
|
Lamp assembly and method of manufacture thereof |
|
4,246,633 |
|
Voltage control circuitry for UPS |
|
4,246,634 |
|
Start-up circuit for switch mode power supply |
|
4,246,635 |
|
Power-supply device which boosts and stabilizes the voltage |
|
4,246,636 |
|
Flyback transformer having terminal pins for connection to printed circuit boards |
|
4,246,637 |
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Data processor input/output controller |
|
4,246,638 |
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Method and apparatus for controlling usage of a programmable computing machine |
|
4,246,639 |
|
Start and warm up features for electronic fuel management systems |
For U.S. patent law, rules, and procedures see MPEP.
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