Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964759 | Apparatus for selectively rotating a tool relative to the wall of a conduit | Gerald J. Guzzetta, David E. Hornberger, Larry M. Schadt | 1990-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964759 | Apparatus for selectively rotating a tool relative to the wall of a conduit | Gerald J. Guzzetta, David E. Hornberger, Larry M. Schadt | 1990-10-23 |