Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6145364 | Method and apparatus for rolling strip or plate | George W. Tippins, Ronald D. Gretz | 2000-11-14 |
| 5727412 | Method and apparatus for rolling strip or plate | George W. Tippins, Ronald D. Gretz | 1998-03-17 |
| 5533248 | Method of steel processing using an inline grinder | George W. Tippins, John E. Thomas, Ronald D. Gretz | 1996-07-09 |