Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4974431 | Device for treating materials with steam | — | 1990-12-04 | $1,269,000 |
| 4629858 | Method for engraving carpet and carpet so engraved | — | 1986-12-16 | $749,000 |
| 4405674 | Process for making a magnetic material containing carpet tile and carpet tile | — | 1983-09-20 |