Bilofsky; Ruth C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bilofsky; Ruth C..The latest application filed is for "optical device including birefringent polymer".
- Bilofsky; Ruth C. - Lexington MA
- Bilofsky; Ruth C. - Arlington MA
| Patent | Date |
|---|---|
| Optical device including birefringent polymer Grant 4,525,413 - Rogers , et al. June 25, 1 | 1985-06-25 |
| Optical device including birefringent polyhydrazide polymer Grant 4,521,588 - Rogers , et al. June 4, 1 | 1985-06-04 |
| Optical device including birefringent aromatic amino carboxylic acid polymer Grant 4,520,189 - Rogers , et al. May 28, 1 | 1985-05-28 |
| Optical device including birefringent polymer Grant 4,446,305 - Rogers , et al. May 1, 1 | 1984-05-01 |
| Photographic prints utilizing lamellar pigment materials Grant 4,269,916 - Bilofsky , et al. May 26, 1 | 1981-05-26 |
| Photographic products and processes employing lamellar pigments Grant 4,216,018 - Bilofsky , et al. August 5, 1 | 1980-08-05 |
| Carbazole phthaleins Grant 3,932,455 - Bilofsky , et al. January 13, 1 | 1976-01-13 |
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