Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055333 | Tufted carpet | Richard F. Heine | 1991-10-08 |
| 4820566 | Tufted carpet with tufts of fine fibers and tufts of crimped coarse fibers | Richard F. Heine | 1989-04-11 |
| 4589894 | Disposable filter for a vacuum cleaner | Vincent M. Gin | 1986-05-20 |