Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5946997 | Plastic stringline cutter apparatus | — | 1999-09-07 |
| 5056732 | Spool winding apparatus | — | 1991-10-15 |
| 4596493 | Apparatus and method for the performance of work on submerged articles | Benjamin Tisdale, John Chanslor | 1986-06-24 |
| 4274799 | Method and apparatus for reeling pipeline | Benjamin Tisdale | 1981-06-23 |