Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156289 | Iron based roofing granules and method of coloring same | Michael D. Vick | 2000-12-05 |
| 5637030 | Abrasive formulation for waterjet cutting and method employing same | Stephen F. Mehlman | 1997-06-10 |