Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D312866 | Spout | Thomas E. Gaffney | 1990-12-11 |
| D310763 | Non-slip surface unit for bathtubs or the like | — | 1990-09-25 |
| D309999 | Non-slip surface unit for bathtubs or the like | — | 1990-08-21 |
| D303423 | Combined drain handle and cover for a bathtub or the like | — | 1989-09-12 |
| D302849 | Plumbing fitting handle | Herbert V. Kohler, Jr. | 1989-08-15 |
| 4729134 | Toilet covering hinge assembly | Ronald N. Grimstad | 1988-03-08 |
| D280422 | Fountain pen | Brian Booker | 1985-09-03 |
| D279383 | Ball point writing instrument | Clemens A. Sonntag | 1985-06-25 |