Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354457 | Method of and apparatus for enabling access to the interior of fish-farming ponds and the like | — | 1982-10-19 |
| 4351269 | Method of and apparatus for unconfined fish farming and the like | Robert H. Rines | 1982-09-28 |