Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229798 | Liquid storage tank contents gauge | Colin J. MacLeod | 1980-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4229798 | Liquid storage tank contents gauge | Colin J. MacLeod | 1980-10-21 |