Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273250 | Sealing system for liquid storage tanks | Mark D. Kinghorn, Jr. | 1981-06-16 |
| 4191303 | Liquid storage tank sealing system | Mark D. Kinghorn, Jr. | 1980-03-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4273250 | Sealing system for liquid storage tanks | Mark D. Kinghorn, Jr. | 1981-06-16 |
| 4191303 | Liquid storage tank sealing system | Mark D. Kinghorn, Jr. | 1980-03-04 |