Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5498459 | Method and apparatus for making a pile article and the products thereof | Peter Popper, William Charles Walker, Paul W. Yngve | 1996-03-12 |
| 5470629 | Method and apparatus for making a pile article and the products thereof | Peter Popper, Wiliam C. Walker | 1995-11-28 |