| 11642487 |
Reusable respiratory protection device |
Brian K. Heimbuch, Delbert A. Harnish, Geoffrey A. Kibble, Thomas B. Stephenson, Sheila J. Nogueira-Prewitt +3 more |
2023-05-09 |
| 10835704 |
Reusable respiratory protection device |
Brian K. Heimbuch, Delbert A. Harnish, Geoffrey A. Kibble, Thomas B. Stephenson, Sheila J. Nogueira-Prewitt +3 more |
2020-11-17 |
| 8974569 |
Multi-flow filtration system |
Paul A. Matula, Dominick Mastri, James R. Parys, Ralph Stearns, Christopher G. Estkowski |
2015-03-10 |
| RE44972 |
Multi-flow filtration system |
Paul A. Matula, Dominick Mastri, James R. Parys, Ralph Stearns, Christopher G. Estkowski |
2014-07-01 |
| 8088189 |
Multi-flow filtration system |
Paul A. Matula, Dominick Mastri, James R. Parys, Ralph Stearns, Christopher G. Estkowski |
2012-01-03 |
| 7976598 |
Multi-flow filtration system |
Paul A. Matula, Dominick Mastri, James R. Parys, Ralph Stearns, Christopher G. Estkowski |
2011-07-12 |
| 6945289 |
Bottled water dispenser with shutoff, variable filtration capacity and replaceable cartridge filter |
Michael S. Marszalec, Lowell C. Burnham, Chun-Yen Wang, Rafael M. Rodriguez, Nathan Snell +2 more |
2005-09-20 |
| D468798 |
Filter cartridge housing |
Brent A. Wilder |
2003-01-14 |
| D456877 |
Filter cartridge housing |
Brent A. Wilder |
2002-05-07 |