| D751735 |
Light fixture |
Mark R. Swessel, Norbert Hahn, Tim Muhl, Paul Maly, Charles Waugaman +3 more |
2016-03-15 |
| 9096170 |
Light fixtures for doorways and other areas |
Mark R. Swessel, Norbert Hahn, Tim Muhl, Paul Maly, Charles Waugaman +3 more |
2015-08-04 |
| 8622712 |
Sprinkler-compatible ceiling fans |
Aaron J. Wiegel, Daniel M. Anderson, Donald P. Grant, Jason Dondlinger, Joe Korman +2 more |
2014-01-07 |
| 8453705 |
Vertically movable door with safety barrier |
Jason D. Miller, Donald P. Grant, Paul Maly, Joseph Manone, Daniel M. Anderson +2 more |
2013-06-04 |
| 7832451 |
Vertically movable door with safety barrier |
Jason D. Miller, Donald P. Grant, Paul Maly, Joseph Manone, Daniel M. Anderson +2 more |
2010-11-16 |
| 7775252 |
Vertically movable door with safety barrier |
Ronald P. Snyder, Jason D. Miller, Donald P. Grant, Paul Maly, Joseph Manone +2 more |
2010-08-17 |
| 7503089 |
Inflatable actuator for a dock leveler deck |
Tim Muhl, Andrew J. Wanie, Norbert Hahn, Pamela Pietrangelo, Reinhardt E. Sander +1 more |
2009-03-17 |
| 6574832 |
Yieldable guide for a door |
James C. Boerger, Robert J. Harter, John K. Olthafer |
2003-06-10 |
| 6010297 |
Vehicle restraint and improvements |
Norbert Hahn, Scott L. Springer |
2000-01-04 |