Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107590 | Razor handle | Charles J. Burout, III, Evan N. Chen | 1992-04-28 |
| 5044077 | Razor mechanism | Evan N. Chen | 1991-09-03 |
| D307333 | Disposable razor | David S. Byrne | 1990-04-17 |
| D307334 | Disposable razor | David S. Byrne | 1990-04-17 |
| 4774765 | Blade assembly featuring variable span | — | 1988-10-04 |
| 4709477 | Blade assembly featuring variable span | — | 1987-12-01 |
| 4697342 | Cap for razor blade assembly adapted to receive an extra element | — | 1987-10-06 |
| 4693003 | Pivotable razor cartridge with circular cam | — | 1987-09-15 |
| 4692986 | Razor cartridge with shaving aid | Vincent C. Motta | 1987-09-15 |
| 4683096 | Method of securing a shaving aid to a razor cartridge | — | 1987-07-28 |
| 4546544 | One-piece disposable razor with blade protector latched releasably to razor | Ernest F. Kiraly | 1985-10-15 |
| 4535537 | Disposable plastic razor | David S. Byrne | 1985-08-20 |
| 4428116 | Support for releasably retaining a blade cartridge | Evan N. Chen | 1984-01-31 |
| 4344227 | Clean-out mechanism for twin blade shaving unit | Evan N. Chen, James S. Emmett, Anthony J. Peleckis | 1982-08-17 |
| 4294010 | Rotatable safety razor and blade cartridge therefor | Evan N. Chen | 1981-10-13 |
| 4285125 | Barber-type razor | Evan N. Chen, Lawrence Crainich | 1981-08-25 |
| 4272885 | Shaving cartridge | — | 1981-06-16 |
| 4213240 | Ladies' razor system | Ernest F. Kiraly | 1980-07-22 |