Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231660 | Manufactured granular substrate and method for producing the same | James Welshimer, David L. Ashworth, Nadine C. Dunn, Gerald L. Gingrich, Karissa L. Fox +3 more | 2001-05-15 |