Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667376 | Ultra low NOX burner | Thomas F. Robertson, Dennis E. Quinn | 1997-09-16 |
| 5628128 | Sole construction for footwear | David W. Gasparovic, Craig Feller, Daniel Wickemeyer, David Potter, Erik Purdom +1 more | 1997-05-13 |
| 5625963 | Sole construction for footwear | Craig Feller, Daniel Wickemeyer, David Potter, Erik Purdom, Tuan N. Le | 1997-05-06 |