Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328177 | Contaminant resistant piston seal with energized backup scrapers | Paul Daniel Parker | 1994-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5328177 | Contaminant resistant piston seal with energized backup scrapers | Paul Daniel Parker | 1994-07-12 |