Baron; Richard C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Baron; Richard C..The latest application filed is for "polymeric compositions useful in oxygen permeable contact lenses".
- Baron; Richard C. - Tewksbury MA
- Baron; Richard C. - North Andover MA
| Patent | Date |
|---|---|
| Polymeric compositions useful in oxygen permeable contact lenses Grant 5,346,978 - Baron , et al. * September 13, 1 | 1994-09-13 |
| Polymeric compositions useful in oxygen permeable contact lenses Grant 5,177,168 - Baron , et al. January 5, 1 | 1993-01-05 |
| Polymeric compositions useful in oxygen permeable contact lenses Grant 5,032,658 - Baron , et al. July 16, 1 | 1991-07-16 |
| Synthetic polymers by polyisocyanate polyaddition process Grant 4,328,322 - Baron May 4, 1 | 1982-05-04 |
| Polyurethane elastomers prepared from diamine curing agents Grant 3,932,360 - Cerankowski , et al. January 13, 1 | 1976-01-13 |
| Polyurethane elastomers prepared from diamine curing agents Grant 3,926,922 - Baron , et al. December 16, 1 | 1975-12-16 |
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