Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858732 | Brake shoe | — | 1989-08-22 |
| 4842735 | Oil skimming apparatus | Calvin L. Hollis | 1989-06-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858732 | Brake shoe | — | 1989-08-22 |
| 4842735 | Oil skimming apparatus | Calvin L. Hollis | 1989-06-27 |