Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667252 | Internal sleeve with a plurality of lands and teeth | Mark Aaron Sloman, Stanley Mark Gryder, Randal Ray Schaefer | 1997-09-16 |
| 5606792 | Hydraulic expander assembly and control system for sleeving heat exchanger tubes | — | 1997-03-04 |