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United States Utility Patents
4,837,800 - 4,837,809
Previous 10 Next 10
| Number | | Title |
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4,837,800 |
|
Cellular data telephone system and cellular data telephone therefor |
|
4,837,801 |
|
Base station capable of monitoring occurrence of interference on every transmission |
|
4,837,802 |
|
Radio communication method and system |
|
4,837,803 |
|
Telephone answering device having function of playback without rewinding tape |
|
4,837,804 |
|
Telephone answering voiceprint discriminating and switching apparatus |
|
4,837,805 |
|
Opening command transmission system and method capable of reducing overhead in an information processing unit |
|
4,837,806 |
|
Data communication process suitable for use in a quiet environment |
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4,837,807 |
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Station to station message arrangement |
|
4,837,808 |
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Circuit connecting a voice-controlled device to a telephone station and line |
|
4,837,809 |
|
Telephone answering device having immediate playback function |
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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