| 10281244 |
Ballistic breacher shield |
Mitch Soper |
2019-05-07 |
| 9885539 |
Ballistic responder shield |
Mitch Soper |
2018-02-06 |
| 9234724 |
Classroom ballistic barriers |
— |
2016-01-12 |
| 9145729 |
Classroom ballistic barriers |
— |
2015-09-29 |
| 8549979 |
Collapsible, mobile special operations bunker |
— |
2013-10-08 |
| 8490364 |
Wall system employing batten assemblies secured to studs without using screws |
— |
2013-07-23 |
| 7886496 |
Extruded aluminum bottom-load ceiling |
— |
2011-02-15 |
| 7360343 |
Raised access floor |
Don A. Kugath, Ronald H. Bushman |
2008-04-22 |
| 7260919 |
Sealable ceiling assembly |
Don A. Kugath, Ronald H. Bushman |
2007-08-28 |
| 7093398 |
Wall panel assembly and method of assembly |
Ronald H. Bushman, Donald A. Kugath |
2006-08-22 |
| 6799404 |
Wall panel assembly and method of assembly |
— |
2004-10-05 |
| 6230969 |
Food container and sauce reservoir arrangement |
— |
2001-05-15 |
| 5620369 |
Method and device for unidirectional airflow in cleanroom |
Ronald W. Daw, David L. Brewer |
1997-04-15 |
| 5417610 |
Method and device for reducing vortices at a cleanroom ceiling |
— |
1995-05-23 |
| D357544 |
Intersectional casting for ceiling grid support system |
— |
1995-04-18 |