Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922257 | Process to produce an article that has a granite-like appearance and said article | — | 1999-07-13 |
| 4452752 | Method and apparatus for extruding thermoplastic shape | Joseph R. Harder | 1984-06-05 |