Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902669 | Disposable paper products with indicator means | Mark John Steinhardt, Donn Nathan Boatman, Frederick M. Joffe, Barbara A. Ludwig, Paul Dennis Trokhan | 1999-05-11 |
| 5874157 | Separable laminated paper product | Douglas E. Robinson, Michael Bernard Dugas | 1999-02-23 |
| 5834099 | Disposable paper products with indicator means | Mark John Steinhardt, Donn Nathan Boatman, Frederick M. Joffe, Barbara A. Ludwig, Paul Dennis Trokhan | 1998-11-10 |