| 11751615 |
Second-skin respirator cover |
Douglas E. Wilke, Daniel J Barker, Michael A. Lorenz, Oren Shai, Chad Cook +1 more |
2023-09-12 |
| 10595580 |
Helmet mounted protective shroud |
Douglas E. Wilke, Daniel J Barker, Kristin J Birdsall, Michael A. Lorenz, Thomas A Pettenski +2 more |
2020-03-24 |
| 9155924 |
Modular chemical/biological headgear system |
Stephen E. Chase, Daniel J Barker |
2015-10-13 |
| 8479727 |
Enhanced chemical/biological respiratory protection system |
David M. Caretti, Stephen E. Chase |
2013-07-09 |
| 7934497 |
Modular helmet-mask assembly |
Stephen E. Chase |
2011-05-03 |
| 7861719 |
High surface area chemical/biological air-purifying filter |
Stephen E. Chase, Daniel J Barker |
2011-01-04 |
| 7743433 |
Neck dam collar for use with chemical-biological protective masks and hoods |
Stephen E. Chase, Mary P. McCully, Janelle E. Keberle, Leroy H. Stitz, Adam D. Seiple |
2010-06-29 |
| 7299709 |
Aerosol collecting device for a chemical detector |
Stephen E. Chase, Thomas Mitchell |
2007-11-27 |
| 7128070 |
Biological defense masks |
Stanley L. Wiener |
2006-10-31 |
| 7028688 |
Operationally adaptable chemical-biological mask |
Stephen E. Chase |
2006-04-18 |
| 7007690 |
Advanced chemical/biological crew mask |
Stephen E. Chase |
2006-03-07 |
| 6826783 |
Chemical/biological helmet |
Stephen E. Chase |
2004-12-07 |
| 6763835 |
Chemical/biological special operations mask |
Stephen E. Chase, Jeffery S. Hofmann |
2004-07-20 |
| 6412945 |
Non-uniform mask lens |
Stephen E. Chase, Jeffrey S. Hofmann |
2002-07-02 |
| 6176239 |
Advanced chemical-biological mask |
Stephen E. Chase, William M. Fritch, Jr. |
2001-01-23 |
| 5478377 |
Filter for a respiratory device |
John A. Scavnicky |
1995-12-26 |
| H1360 |
Lightweight protective gas mask and hood |
John A. Scavnicky, Albert N. Tardiff, Jr. |
1994-10-04 |
| H1361 |
Softshell protective mask |
Albert N. Tardiff, Jr. |
1994-10-04 |
| H1240 |
Low profile chemical biological air filter |
Albert N. Tardiff, Jr. |
1993-10-05 |
| 5181506 |
Multilayer protective gas mask |
Albert N. Tardiff, Jr. |
1993-01-26 |