Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385946 | Water purifier | Jan-Christoph Zoels, David A. Snow, Raymond P. Denkewicz, Jr. | 1997-11-04 |
| 5620359 | Knife sharpener | Alain Vadrot | 1997-04-15 |
| D377210 | Evaporative humidifier | Wyley Kitzmiller, James G. Montagnino | 1997-01-07 |