Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4911579 | Swivel arrangement for connecting a boring or reaming tool to a cable | Douglas P. Kelley, Kenneth E. Fender | 1990-03-27 | $650,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4911579 | Swivel arrangement for connecting a boring or reaming tool to a cable | Douglas P. Kelley, Kenneth E. Fender | 1990-03-27 | $650,000 |