Grannis; Vaughn B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grannis; Vaughn B..The latest application filed is for "method of making a filtering face mask having new exhalation valve".
- Grannis; Vaughn B. - Inver Grove Heights MN
- GRANNIS, VAUGHN B. - INVER GROVE HEI MN
- Grannis, Vaughn B. - City of Inver Grove Heights MN
| Patent | Date |
|---|---|
| Fibrous filtration face mask having a new unidirectional fluid valve Grant 7,493,900 - Japuntich , et al. February 24, 2 | 2009-02-24 |
| Fibrous filtration face mask having a new unidirectional fluid valve Grant 7,428,903 - Japuntich , et al. September 30, 2 | 2008-09-30 |
| Method of making a filtering face mask that has an exhalation valve Grant 7,311,104 - Japuntich , et al. December 25, 2 | 2007-12-25 |
| Method Of Making A Filtering Face Mask Having New Exhalation Valve App 20070119459 - Japuntich; Daniel A. ; et al. | 2007-05-31 |
| Fibrous filtration face mask having a new unidirectional fluid valve Grant 7,117,868 - Japuntich , et al. October 10, 2 | 2006-10-10 |
| Filtering face mask that has a new exhalation valve Grant 6,854,463 - Japuntich , et al. February 15, 2 | 2005-02-15 |
| Filtering face mask that has a new exhalation valve Grant 6,843,248 - Japuntich , et al. January 18, 2 | 2005-01-18 |
| Unidirectional Fluid Valve App 20030084902 - JAPUNTICH, DANIEL A. ; et al. | 2003-05-08 |
| Filtering face mask that has a new exhalation valve App 20020185133 - Japuntich, Daniel A. ; et al. | 2002-12-12 |
| Filtering face mask that has a new exhalation valve App 20020170563 - Japuntich, Daniel A. ; et al. | 2002-11-21 |
| Respirator having a compressible press fit filter element App 20010013347 - Rekow, Peter O. ; et al. | 2001-08-16 |
| Full-face respirator lens Grant D426,298 - Grannis , et al. June 6, 2 | 2000-06-06 |
| Full face respirator mask having integral connectors disposed in lens area Grant 5,924,420 - Reischel , et al. July 20, 1 | 1999-07-20 |
| Full face respirator lens Grant D409,744 - Grannis , et al. May 11, 1 | 1999-05-11 |
| Full face respirator lens Grant D388,872 - Grannis , et al. January 6, 1 | 1998-01-06 |
| Buckle Grant D379,160 - Johansson , et al. May 13, 1 | 1997-05-13 |
| Full face respirator Grant D378,610 - Reischel , et al. March 25, 1 | 1997-03-25 |
| Unidirectional fluid valve Grant 5,509,436 - Japuntich , et al. April 23, 1 | 1996-04-23 |
| Unidirectional fluid valve Grant 5,325,892 - Japuntich , et al. July 5, 1 | 1994-07-05 |
| Heat exchanger Grant 4,997,034 - Steffen , et al. March 5, 1 | 1991-03-05 |
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.
| 