Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502669 | Inside-outside tube quenching apparatus | Robert W. McGaw, W. Edwin Wetzel, Jr., Joseph Ziegler | 1985-03-05 |
| 4417928 | Inside-outside tube quenching method | Robert W. McGaw, W. Edwin Wetzel, Jr., Joseph Ziegler | 1983-11-29 |