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United States Utility Patents
4,684,790 - 4,684,799
Previous 10 Next 10
| Number | | Title |
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4,684,790 |
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Smoke and/or heat detection apparatus containing thermal-sensitive insulating composition |
|
4,684,791 |
|
Card identification system |
|
4,684,792 |
|
Multiple input compact ticket processor |
|
4,684,793 |
|
Device for acquiring, storing and evaluating the data of a checking process |
|
4,684,794 |
|
Transport device for card-like recording medium |
|
4,684,795 |
|
Security tape with integrated hologram and magnetic strip |
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4,684,796 |
|
Common optical aperture laser separator for reciprocal path optical |
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4,684,797 |
|
Optical system and method for reducing vibration of an objective lens in an optical head assembly of an optical read/write system |
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4,684,798 |
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Performance improvement for camera autofocus |
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4,684,799 |
|
Focus detection method involving cutting more than half of light beam reflected from disc |
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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