| 10636535 |
Storage containers |
Darold M. Popish, Michael D. Peterson, Luke Anderson |
2020-04-28 |
| 10274472 |
Sensor device for a hazardous waste container |
Michael D. Peterson, John L. Allbery |
2019-04-30 |
| 8758488 |
Method of fabricating and devices employing vents |
— |
2014-06-24 |
| 7812331 |
Spherical storage containers |
Parold Popish, Michael D. Peterson, Fred Popish |
2010-10-12 |
| 7726507 |
Storage container |
Darold M. Popish, Michael D. Peterson, Fred Popish |
2010-06-01 |
| 7048139 |
Corrosion resistant vents with integral filter |
Michael D. Peterson |
2006-05-23 |
| 6948391 |
Probe with integral vent, sampling port and filter element |
Gilbert Brassell, Darold M. Popish |
2005-09-27 |
| 6935199 |
Headspace gas sampling and venting method and arrangement, and filtering and sampling ports used therewith |
Darold M. Popish, Gilbert Brassell, Fred Popish, Mark A. Castagneri, Michael D. Peterson |
2005-08-30 |
| 6911061 |
In-line HEPA filter |
Michael D. Peterson, Darold M. Popish, Craig Washburn |
2005-06-28 |
| 6557428 |
Head space gas sampling and venting method and arrangement, and filtering and sampling ports used therewith |
Darold M. Popish, Gilbert Brassell, Fred Popish, Mark A. Castagneri, Michael D. Peterson |
2003-05-06 |
| 6413304 |
Drum vent filter |
Michael D. Peterson |
2002-07-02 |
| 6395050 |
Vent filter with direct sample capability |
Michael D. Peterson, David Joseffy, Gilbert Brassell |
2002-05-28 |
| 6355078 |
Arrangement for venting an enclosure |
— |
2002-03-12 |
| 5911332 |
HEPA filtered storage canisters |
Carl Stephens |
1999-06-15 |
| 5814118 |
HEPA filter for venting chambers |
Craig Washburn |
1998-09-29 |
| 5727707 |
Hepa filtered storage canisters |
Carl Stephens |
1998-03-17 |
| 5725645 |
Vent assemblies for waste disposal bags |
Emily Brassell |
1998-03-10 |
| D380872 |
Wind deflecting eye guard |
— |
1997-07-08 |