Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858118 | Stainless steel alkali treatment | Fred Kirchner | 1999-01-12 |
| 5766684 | Stainless steel acid treatment | Fred Kirchner | 1998-06-16 |
| 5445761 | Percarbonate based cleaner for cosmetic and pharmaceutical manufacturing facilities | Fred Kirchner | 1995-08-29 |