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United States Utility Patents
4,943,150 - 4,943,159
Previous 10 Next 10
| Number | | Title |
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4,943,150 |
|
Method of making variable modulus lenses |
|
4,943,151 |
|
Scheiner-principle vernier optometer |
|
4,943,152 |
|
Manually variable light filtering sunglasses |
|
4,943,153 |
|
Guide means for random access retrieval apparatus |
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4,943,154 |
|
Projection display apparatus |
|
4,943,155 |
|
Color projection system with a color correction wedge |
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4,943,156 |
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Off axis fresnel reflector for liquid crystal display |
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4,943,157 |
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Fiber optic triangulation gage |
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4,943,158 |
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Sensor controlled leveling device |
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4,943,159 |
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Method and apparatus for guiding and collecting light in photometry or the like |
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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