Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231711 | Methods and apparatus for making paint roller covers with thermoplastic cores | William J. Roberts, Steven V. Middlesworth, Ricky L. Dilyard, Dennis D. Humphrey | 2001-05-15 |
| 6199279 | Method for making paint roller with thermo plastic core | Dennis D. Humphrey, Thomas G. Purdy | 2001-03-13 |
| 5694688 | Method and apparatus for making paint roller cover | Gordon F. Musch, Dennis D. Humphrey, Bruce Bochnak, Richard L. Barker, William J. Roberts +1 more | 1997-12-09 |
| 5537745 | Method and apparatus for making paint roller cover with thermo plastic core | Gordon E. Musch, Dennis D. Humphrey, Bruce Bochnak, Richard L. Barker, William J. Roberts +1 more | 1996-07-23 |