Metcalfe; Richard T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Metcalfe; Richard T..The latest application filed is for "semi-rimless eyeglass frame assembly".
- Metcalfe; Richard T. - Sturbridge MA
- Metcalfe; Richard T. - Southbridge MA
| Patent | Date |
|---|---|
| Semi-rimless eyeglass frame assembly Grant 5,406,337 - Metcalfe , et al. April 11, 1 | 1995-04-11 |
| Eyeglass safety frame Grant D333,478 - Metcalfe , et al. February 23, 1 | 1993-02-23 |
| Protective goggle Grant D328,084 - Salce , et al. July 21, 1 | 1992-07-21 |
| Disposable faceshield Grant D321,067 - Salce , et al. * October 22, 1 | 1991-10-22 |
| Protective goggle Grant 4,977,627 - Metcalfe , et al. December 18, 1 | 1990-12-18 |
| Disposable faceshield Grant D311,782 - Salce , et al. October 30, 1 | 1990-10-30 |
| Method of vacuum forming disposable faceshield Grant 4,950,445 - Salce , et al. August 21, 1 | 1990-08-21 |
| Disposable faceshield Grant D308,582 - Salce , et al. June 12, 1 | 1990-06-12 |
| Eyeglass frame structure and method of assembling same Grant 4,699,479 - Metcalfe October 13, 1 | 1987-10-13 |
| Process For Coloring Epoxy Plastic Eyeglass Frames And Parts Thereof Grant 3,678,141 - Metcalfe , et al. July 18, 1 | 1972-07-18 |
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