Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733996 | Drill guide fixture, for directing drills orthogonally into tubes in tubesheets | — | 1988-03-29 |
| 4625765 | Plug, for fluid-sealing of tubes | John O'Donnell, Renato R. Noe | 1986-12-02 |
| 4417465 | Portable test unit, for high pressure testing of tubes | Renato R. Noe | 1983-11-29 |