Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5092610 | High pressure piston seal | Lawrence A. Dunham | 1992-03-03 | $17,779,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5092610 | High pressure piston seal | Lawrence A. Dunham | 1992-03-03 | $17,779,000 |