Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7223447 | Method of coating welded tubes | Curtis R. Brown | 2007-05-29 |
| 6290786 | Method and apparatus for coating the seams of welded tubes | Curt Brown | 2001-09-18 |
| 6042659 | Method of coating the seams of a welded tube | Curt Brown | 2000-03-28 |
| 6018859 | Method of forming seamed metal tube | John J. Borzym, Charles A. Willetts, Curtis R. Brown, Edward Wiesenthal, III | 2000-02-01 |
| 5915421 | Method of forming seamed metal tube | John J. Borzym, Charles A. Willetts, Curtis R. Brown, Edward Wiesenthal, III | 1999-06-29 |
| 5860204 | Continuous tube forming and coating | John J. Borzym | 1999-01-19 |
| 5732874 | Method of forming seamed metal tube | John J. Borzym, Charles A. Willetts, Curtis R. Brown, Edward Wiesenthal, III | 1998-03-31 |
| 5651819 | Continuous tube forming and coating | John J. Borzym | 1997-07-29 |
| RE35378 | Method of forming seamed metal tube | John J. Borzym, Charles A. Willetts | 1996-11-19 |
| 5344062 | Method of forming seamed metal tube | John J. Borzym, Charles A. Willetts | 1994-09-06 |
| 4603807 | Mill for roll forming a fluted tube | — | 1986-08-05 |