Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872299 | Key clip support member | Kevin B. O'Sullivan | 1989-10-10 |
| 4824510 | Method and apparatus for assembling box units | Thomas M. Atwood | 1989-04-25 |
| 4798362 | Adjustable crossarm spacer and utility line hanger apparatus | — | 1989-01-17 |