Steffen; James E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Steffen; James E..The latest application filed is for "active cooling system for laser imager".
- Steffen; James E. - Woodbury MN US
| Patent | Date |
|---|---|
| Powered air purifying respirator (PAPR) having control panel Grant D690,414 - Abel , et al. September 24, 2 | 2013-09-24 |
| Filter cover for powered air purifying respirator Grant D690,413 - Abel , et al. September 24, 2 | 2013-09-24 |
| Filter cover for powered air purifying respirator Grant D681,190 - Dwyer , et al. April 30, 2 | 2013-04-30 |
| Filter cover for powered air purifying respirator Grant D680,641 - Dwyer , et al. April 23, 2 | 2013-04-23 |
| Active cooling system for laser imager Grant 7,167,193 - Goetzke , et al. January 23, 2 | 2007-01-23 |
| Active cooling system for laser imager App 20040170940 - Goetzke, Donald J. ; et al. | 2004-09-02 |
| Corrugated nonwoven webs of polymeric microfiber Grant 6,010,766 - Braun , et al. January 4, 2 | 2000-01-04 |
| Medical imager Grant D408,838 - Nelson , et al. April 27, 1 | 1999-04-27 |
| Corrugating apparatus Grant 5,830,311 - Braun , et al. November 3, 1 | 1998-11-03 |
| Fibrous filtration face mask having corrugated polymeric microfiber filter layer Grant 5,804,295 - Braun , et al. September 8, 1 | 1998-09-08 |
| Cassette for use in an electronic radiographic imaging system Grant 5,773,839 - Krepel , et al. June 30, 1 | 1998-06-30 |
| Filter having corrugated nonwoven webs of polymeric microfiber Grant 5,763,078 - Braun , et al. June 9, 1 | 1998-06-09 |
| Corrugated nonwoven webs of polymeric microfiber Grant 5,753,343 - Braun , et al. May 19, 1 | 1998-05-19 |
| Fibrous filtration face mask having corrugated polymeric microfiber filter layer Grant 5,656,368 - Braun , et al. August 12, 1 | 1997-08-12 |
| Thermal insulation containing corrugated nonwoven web of polymeric microfiber Grant 5,639,700 - Braun , et al. June 17, 1 | 1997-06-17 |
| Method of making a corrugated nonwoven web of polymeric microfiber Grant 5,620,545 - Braun , et al. April 15, 1 | 1997-04-15 |
| Radiographic image reader Grant 5,440,146 - Steffen , et al. August 8, 1 | 1995-08-08 |
| Valve cover Grant D347,298 - Japuntich , et al. May 24, 1 | 1994-05-24 |
| Heat exchanger Grant 4,997,034 - Steffen , et al. March 5, 1 | 1991-03-05 |
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