Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D690413 | Filter cover for powered air purifying respirator | Nathan A. Abel, Gary E. Dwyer, John M. Pilgrim | 2013-09-24 |
| D690414 | Powered air purifying respirator (PAPR) having control panel | Nathan A. Abel, David M. Blomberg, Sean R. Kilmer | 2013-09-24 |
| D681190 | Filter cover for powered air purifying respirator | Gary E. Dwyer, Nathan A. Abel, John M. Pilgrim | 2013-04-30 |
| D680641 | Filter cover for powered air purifying respirator | Gary E. Dwyer, Nathan A. Abel, John M. Pilgrim | 2013-04-23 |
| 7167193 | Active cooling system for laser imager | Donald J. Goetzke, Bradley B. Rassatt, David J. McDaniel | 2007-01-23 |
| 6064416 | Linear translation system for use in a laser imaging system | Jay A. Esch, Timothy S. Vraa, Yun Zhong Li, Paul C. Schubert | 2000-05-16 |
| 6010766 | Corrugated nonwoven webs of polymeric microfiber | David L. Braun | 2000-01-04 |
| 5961778 | Corrugating apparatus | David L. Braun, Raju Venkatapathy | 1999-10-05 |
| 5955193 | Apparel containing corrugated microfiber-containing thermal insulation | David L. Braun, Raju Venkatapathy | 1999-09-21 |
| D408838 | Medical imager | Bruce E. Nelson, William C. Tigner, James R. Gilbertson | 1999-04-27 |
| 5830311 | Corrugating apparatus | David L. Braun | 1998-11-03 |
| 5804295 | Fibrous filtration face mask having corrugated polymeric microfiber filter layer | David L. Braun | 1998-09-08 |
| 5773839 | Cassette for use in an electronic radiographic imaging system | Kenneth J. Krepel, Joseph A. Hoffman, Anthony B. Ferguson, Daniel J. Severson, Keith K. Mclaughlin +4 more | 1998-06-30 |
| 5763078 | Filter having corrugated nonwoven webs of polymeric microfiber | David L. Braun | 1998-06-09 |
| 5753343 | Corrugated nonwoven webs of polymeric microfiber | David L. Braun, Raju Venkatapathy | 1998-05-19 |
| 5656368 | Fibrous filtration face mask having corrugated polymeric microfiber filter layer | David L. Braun | 1997-08-12 |
| 5639700 | Thermal insulation containing corrugated nonwoven web of polymeric microfiber | David L. Braun, Raju Venkatapathy | 1997-06-17 |
| 5620545 | Method of making a corrugated nonwoven web of polymeric microfiber | David L. Braun, Raju Venkatapathy | 1997-04-15 |
| 5440146 | Radiographic image reader | Jay A. Esch, Robert J. Mattila, Eric Julius Donaldson, Timothy S. Vraa, Owen L. Nelson +4 more | 1995-08-08 |
| D347298 | Valve cover | Daniel A. Japuntich, David C. Byram | 1994-05-24 |
| 4997034 | Heat exchanger | Vaughn B. Grannis, Frank Schröder | 1991-03-05 |