Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4577478 | Locking filler tube cover apparatus for underground fuel tanks | Othon Economopoulos | 1986-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4577478 | Locking filler tube cover apparatus for underground fuel tanks | Othon Economopoulos | 1986-03-25 |