Holmquist-Brown; Thomas W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Holmquist-Brown; Thomas W..The latest application filed is for "respirator fit check sealing devices and methods".
- Holmquist-Brown; Thomas W. - Hastings MN
- Holmquist-Brown; Thomas W. - St. Paul MN US
- Holmquist-Brown, Thomas W. - City of St. Paul MN
| Patent | Date |
|---|---|
| Respirator Fit Check Sealing Devices And Methods App 20220088422 - Mittelstadt; William A. ; et al. | 2022-03-24 |
| Respirator fit check sealing devices and methods Grant 11,219,787 - Mittelstadt , et al. January 11, 2 | 2022-01-11 |
| Respirator Fit Check Sealing Devices And Methods App 20200316414 - Mittelstadt; William A. ; et al. | 2020-10-08 |
| Filter systems including patterned optical analyte sensors and optical readers Grant 9,440,176 - Dwyer , et al. September 13, 2 | 2016-09-13 |
| Patterned chemical sensor having inert occluding layer Grant 8,955,515 - Rakow , et al. February 17, 2 | 2015-02-17 |
| Filter Systems Including Patterned Optical Analyte Sensors And Optical Readers App 20140377135 - Dwyer; Gary E. ; et al. | 2014-12-25 |
| Filter systems including patterned optical analyte sensors and optical readers Grant 8,858,692 - Dwyer , et al. October 14, 2 | 2014-10-14 |
| Respirator harness having collapsible head cradle Grant 8,839,785 - Castiglione , et al. September 23, 2 | 2014-09-23 |
| Filter systems including optical analyte sensors and optical readers Grant 8,821,621 - Dwyer , et al. September 2, 2 | 2014-09-02 |
| Filter Systems Including Patterned Optical Analyte Sensors and Optical Readers App 20130186279 - Dwyer; Gary E. ; et al. | 2013-07-25 |
| Filter cartridge having cone of visibility for end-of-service-life-indicator (ESLI) Grant 8,365,723 - Poirier , et al. February 5, 2 | 2013-02-05 |
| Filter Systems Including Optical Analyte Sensors and Optical Readers App 20130010288 - Dwyer; Gary E. ; et al. | 2013-01-10 |
| Filter cartridge having cover for masking service life indicator Grant 8,336,543 - Holmquist-Brown , et al. December 25, 2 | 2012-12-25 |
| Filter cartridge having location-registered view window for end-of-service-life-indicator (ESLI) Grant 8,225,782 - Rakow , et al. July 24, 2 | 2012-07-24 |
| Respirator Harness Having Collapsible Head Cradle App 20110220115 - Castiglione; David M. ; et al. | 2011-09-15 |
| Patterned Chemical Sensor Having Inert Occluding Layer App 20110094514 - Rakow; Neal A. ; et al. | 2011-04-28 |
| Filter Cartridge Having Cone Of Visibility For End-of-service-life-indicator (esli) App 20100294274 - Poirier; Richard J. ; et al. | 2010-11-25 |
| Filter Cartridge Having Location-registered View Window For End-of-service-life-indicator (esli) App 20100294273 - Rakow; Neal A. ; et al. | 2010-11-25 |
| Filter Cartridge Having Cover For Masking Service Life Indicator App 20100294272 - Holmquist-Brown; Thomas W. ; et al. | 2010-11-25 |
| Respirator mask body Grant D613,850 - Holmquist-Brown , et al. April 13, 2 | 2010-04-13 |
| Filter housing Grant D613,851 - Pilgrim , et al. April 13, 2 | 2010-04-13 |
| Strap carriers on a respirator Grant D568,986 - Holmquist-Brown , et al. May 13, 2 | 2008-05-13 |
| Filter cartridge inlet grill pattern Grant D555,777 - Aveldson , et al. November 20, 2 | 2007-11-20 |
| Respirator having snap-fit filter cartridge Grant RE39,493 - Yuschak , et al. February 27, 2 | 2007-02-27 |
| Respirator and filter cartridge Grant 6,277,178 - Holmquist-Brown , et al. August 21, 2 | 2001-08-21 |
| Respirator having a compressible press fit filter element App 20010013347 - Rekow, Peter O. ; et al. | 2001-08-16 |
| Respirator having snap-fit filter cartridge Grant 5,579,761 - Yuschak , et al. December 3, 1 | 1996-12-03 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 