Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085230 | Insulated doors with restorable breakaway sections | Derek Lewan, Jon Schumacher, Nicholas J. Casey, Perry W. Knutson, Rodney Kern +3 more | 2021-08-10 |
| 10494858 | Insulated doors with restorable breakaway sections | Derek Lewan, Jon Schumacher, Nicholas J. Casey, Perry W. Knutson, Rodney Kern +3 more | 2019-12-03 |
| 8167020 | Upper seal for a horizontal side-moving door | James C. Boerger, Ryan P. Beggs, Steven Campbell, William W. Hoerner | 2012-05-01 |
| 6360487 | Resilient door panel | Rodney Kern, Joe Korman, Dave Leppert, Peter S. Schulte, James Schwingle | 2002-03-26 |
| 6330763 | Translating door with disengageable seals | Rodney Kern, Dave Leppert, Peter S. Schulte, James Schwingle | 2001-12-18 |