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United States Utility Patents
4,518,230 - 4,518,239
Previous 10 Next 10
| Number | | Title |
|
4,518,230 |
|
Universal binocular tube for microscopes |
|
4,518,231 |
|
Stereomicroscope |
|
4,518,232 |
|
Method and apparatus for optical beam shaping |
|
4,518,233 |
|
Automatic lamp changer for modular slide projector |
|
4,518,234 |
|
Method and apparatus for reproducing at least one colored surface |
|
4,518,235 |
|
Collapsible disposable camera |
|
4,518,236 |
|
WITHDRAWN |
|
4,518,237 |
|
Indicator for proper or improper exposure by automatic electronic flash |
|
4,518,238 |
|
Rotation control mechanism for diaphragm-operating ring in interchangeable objective for photographic camera |
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4,518,239 |
|
Intermediate adapter for camera |
For U.S. patent law, rules, and procedures see MPEP.
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