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United States Utility Patents
4,193,380 - 4,193,389
Previous 10 Next 10
| Number | | Title |
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4,193,380 |
|
Start and warm up features for electronic fuel management systems |
|
4,193,381 |
|
Spark advance control device for engine equipped with EGR system |
|
4,193,382 |
|
Stratified charge type combustion process for internal combustion engine and internal combustion engine utilizing same |
|
4,193,383 |
|
Vacuum operated valve arrangement |
|
4,193,384 |
|
Fuel injection system |
|
4,193,385 |
|
Engine stopping device |
|
4,193,386 |
|
Spear gun |
|
4,193,387 |
|
High efficiency heat return fireplace |
|
4,193,388 |
|
Portable heatable container |
|
4,193,389 |
|
Solar radiant energy umbrella |
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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