Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199155 | Sealing means for rotary vessels | Allon C. Day | 1980-04-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4199155 | Sealing means for rotary vessels | Allon C. Day | 1980-04-22 |