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United States Utility Patents
4,382,540 - 4,382,549
Previous 10 Next 10
| Number | | Title |
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4,382,540 |
|
Double-door security rural mail-box |
|
4,382,541 |
|
Indicator flag for rural mail box |
|
4,382,542 |
|
Mail signal apparatus |
|
4,382,543 |
|
Acoustic control for zone heat control system |
|
4,382,544 |
|
Energy management system with programmable thermostat |
|
4,382,545 |
|
Bimetal-actuated temperature responsive valve assembly |
|
4,382,546 |
|
Temperature responsive valve device |
|
4,382,547 |
|
Railroad tie plate and correctable shim |
|
4,382,548 |
|
Dispenser for air-treating vapors |
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4,382,549 |
|
Irrigation emitter |
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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