| RE44536 |
Filters employing both acidic polymers and physical-adsorption media |
Oleg P. Kishkovich, Devon Kinkead, Anatoly Grayfer, William Goodwin |
2013-10-15 |
| 7540901 |
Filters employing both acidic polymers and physical-adsorption media |
Oleg P. Kishkovich, Devon Kinkead, Anatoly Grayfer, William Goodwin |
2009-06-02 |
| 7132011 |
Reactive gas filter |
Carly Shellhammer, Jeff Halperin, John C. Gaudreau, William Goodwin |
2006-11-07 |
| 7014693 |
Filters employing both acidic polymers and physical-adsorption media |
Oleg P. Kishkovich, Devon Kinkead, Anatoly Grayfer, William Goodwin |
2006-03-21 |
| 6761753 |
Methods using filters employing both acidic polymers and physical-adsorption media |
Oleg P. Kishkovich, Devon Kinkead, Anatoly Grayfer, William Goodwin |
2004-07-13 |
| 6740147 |
Filters employing both acidic polymers and physical-adsorption media |
Oleg P. Kishkovich, Devon Kinkead, Anatoly Grayfer, William Goodwin |
2004-05-25 |