Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875801 | Aqueous cleaning of blade stack | Theodore J. Campo, Donald Robert Chaulk, William J. Felton, John A. Hindley, John F. Krantz +3 more | 1999-03-02 |
| 5800627 | Aqueous cleaning of blade stack | Theodore J. Campo, Donald Robert Chaulk, William J. Felton, John A. Hindley, John F. Krantz +3 more | 1998-09-01 |
| 5477756 | Method of applying polymers to razor blade cutting edges | Hoang Mai Trankiem | 1995-12-26 |
| 5399204 | Aqueous cleaning method | Theodore J. Campo, Donald Robert Chaulk, William J. Felton, John A. Hindley, John F. Krantz +3 more | 1995-03-21 |
| 5142785 | Razor technology | Chong-ping Peter Chou | 1992-09-01 |