Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822646 | Solid film lubricant compositions and methods of using same | Robert N. Clark | 1989-04-18 |
| 4806257 | Solid film lubricant compositions | Robert N. Clark | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822646 | Solid film lubricant compositions and methods of using same | Robert N. Clark | 1989-04-18 |
| 4806257 | Solid film lubricant compositions | Robert N. Clark | 1989-02-21 |