OSD Envizion Company
Patent Applications and Registrations
Patent applications and USPTO patent grants for OSD Envizion Company.The latest application filed is for "eye protection device for welding helmets which reduces obliquely incident light".
- OSD Envizion Company - Menlo Park CA
| Patent | Date |
|---|---|
| Eye protection device for welding helmets which reduces obliquely incident light Grant 5,515,186 - Fergason , et al. May 7, 1 | 1996-05-07 |
| Electro-optic light shutter and frame assembly with integrated switching mechanism Grant 5,377,032 - Fergason , et al. December 27, 1 | 1994-12-27 |
| Welding lens assembly Grant D353,692 - Fergason , et al. December 20, 1 | 1994-12-20 |
| Welding lens assembly Grant D349,588 - Howard , et al. August 9, 1 | 1994-08-09 |
| Detector system for detecting the occurrence of welding using detector feedback Grant 5,252,817 - Fergason , et al. October 12, 1 | 1993-10-12 |
| Detector system for detecting the occurrence of welding Grant 5,248,880 - Fergason September 28, 1 | 1993-09-28 |
| Eye protection device for welding helmets Grant 5,208,688 - Fergason , et al. May 4, 1 | 1993-05-04 |
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