Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5773127 | Tension floor covering having enhanced embossing and durability | William J. Kauffman, Bruce F. Dietrich | 1998-06-30 |
| 5256465 | Tension floor covering having enhanced embossing and durability | William J. Kauffman, Bruce F. Dietrich | 1993-10-26 |
| 4521215 | Polyvinyl chloride resin particles dyed with cationic dyestuffs and process of preparation | William J. Kauffman | 1985-06-04 |