Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524796 | Sliding-gate valve for use with abrasive materials | William J. Ayers, Jr., Charles Carter, Richard A. Griffith, John E. Notestein | 1985-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524796 | Sliding-gate valve for use with abrasive materials | William J. Ayers, Jr., Charles Carter, Richard A. Griffith, John E. Notestein | 1985-06-25 |