| 8061896 |
Combination meal bag and placemat |
— |
2011-11-22 |
| 7565770 |
Reset mechanism for a panel guide and impact separation system for a sliding door |
Louis B. Mueller |
2009-07-28 |
| 7367159 |
Dual overhead track for a sliding door |
Arno Klein, Louis B. Mueller, Mark Semmann |
2008-05-06 |
| 7222457 |
Reset mechanism for a panel guide and impact separation system for a sliding door |
Louis B. Mueller |
2007-05-29 |
| 7117637 |
Panel guide and impact separation system for a sliding door |
Arno Klein, Louis B. Mueller, Mark Semmann |
2006-10-10 |
| 6427382 |
Dual safety-edge for an overhead door |
Daniel Gregoriou, Jeffrey Konetzki |
2002-08-06 |
| 6123139 |
Overhead rigid-panel door |
Walenty Kalempa |
2000-09-26 |
| 5620039 |
Apparatus for providing a slidingly-separable connection between a movable barrier and a means for guiding the barrier |
Walenty Kalempa |
1997-04-15 |
| 5271448 |
Movable barrier with two part guide follower |
— |
1993-12-21 |
| 5083600 |
Drive mechanism for an industrial door |
William B. Weishar |
1992-01-28 |
| 5048588 |
Roll-up door construction |
William B. Weishar |
1991-09-17 |
| 4776052 |
Vertically stored dockboard |
William B. Weishar |
1988-10-11 |