Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D751735 | Light fixture | Mark R. Swessel, Norbert Hahn, Tim Muhl, Mark G. Petri, Paul Maly +3 more | 2016-03-15 |
| 9096170 | Light fixtures for doorways and other areas | Mark R. Swessel, Norbert Hahn, Tim Muhl, Mark G. Petri, Paul Maly +3 more | 2015-08-04 |
| 6550191 | Roller sealing apparatus for forming a weather seal between a vehicle and a loading dock or the like | David J. Hoffmann, Charles J. Ashelin | 2003-04-22 |
| 6233885 | Roller sealing apparatus for forming a weather seal between a vehicle and a loading dock or the like | David J. Hoffmann, Charles J. Ashelin | 2001-05-22 |