Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5178177 | Gas saving back pressure device | — | 1993-01-12 | $11,284,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5178177 | Gas saving back pressure device | — | 1993-01-12 | $11,284,000 |