Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733629 | Plastic lockseam tubing and method for making | Frederic G. Hunt | 1988-03-29 |
| 4361021 | Method and apparatus for forming angle ring flanges | Herman J. Schaeufele | 1982-11-30 |