Issued Patents All Time
Showing 25 most recent of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5129587 | Method of making polystyrene fluff from foamed polystyrene | — | 1992-07-14 |
| 5106182 | Laminated cosmetic contact lens and method of making same | Charles R. Briggs, Barbara A. Smith | 1992-04-21 |
| 5100603 | Method of recycling multimaterial containers | — | 1992-03-31 |
| 5066431 | Method of making toric contact lenses | Charles R. Briggs | 1991-11-19 |
| 5055350 | Composite railroad cross-tie | — | 1991-10-08 |
| 5041250 | Polymer bonding grains of sand using styrofoam fluff as an adhesive | — | 1991-08-20 |
| 5011633 | Method of controlling the thickness of cast lenses | — | 1991-04-30 |
| 4997609 | Polymer bonding grains of sand to form useful objects | — | 1991-03-05 |
| 4971433 | Method of making an improved dyed color change contact lens | — | 1990-11-20 |
| 4903052 | Method of making an improved dyed color change contact lens | — | 1990-02-20 |
| 4867552 | Eye color change contact lens | — | 1989-09-19 |
| 4865439 | Production of cosmetic lenses | — | 1989-09-12 |
| 4865440 | Simplified method of producing cosmetic contact lenses | — | 1989-09-12 |
| 4840477 | Dyed color change contact lens | — | 1989-06-20 |
| 4758064 | Compressed fiber optic cable | — | 1988-07-19 |
| 4738520 | Eye color change contact lens | — | 1988-04-19 |
| 4725133 | Corneal color change device with wide fitting latitude | — | 1988-02-16 |
| 4710327 | Method of molding an eye color change contact lens blank | — | 1987-12-01 |
| 4710328 | Method of making an eye color change contact lens | — | 1987-12-01 |
| 4701038 | Cosmetic contact lens | — | 1987-10-20 |
| 4695399 | Method of making a contact lens material which may be identified by colored fluorescence | — | 1987-09-22 |
| 4666640 | Method of making a spin cast gradient light absorbing contact lens | — | 1987-05-19 |
| 4659524 | Method of molding bifocal contact lenses | — | 1987-04-21 |
| 4659522 | Method of spin casting an ophthalmic device with a central aperture | — | 1987-04-21 |
| 4657363 | Fluorescent corneal color change device | — | 1987-04-14 |