Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6018859 | Method of forming seamed metal tube | John J. Borzym, Theodore H. Krengel, Charles A. Willetts, Curtis R. Brown | 2000-02-01 |
| 5915421 | Method of forming seamed metal tube | John J. Borzym, Theodore H. Krengel, Charles A. Willetts, Curtis R. Brown | 1999-06-29 |
| 5732874 | Method of forming seamed metal tube | John J. Borzym, Theodore H. Krengel, Charles A. Willetts, Curtis R. Brown | 1998-03-31 |