Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582232 | Valve, clamp, refractory and method | George T. Shapland, Patrick D. King, Gary R. Polk | 1986-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582232 | Valve, clamp, refractory and method | George T. Shapland, Patrick D. King, Gary R. Polk | 1986-04-15 |