Dyrud; James F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dyrud; James F..The latest application filed is for "flat-folded personal respiratory protection devices".

Company Profile

0.33.7

Dyrud; James F. - New Richmond WI
Dyrud; James F. - St. Paul MN
Dyrud; James F. - Stanton Township St. Croix County
Dyrud; James F. - North St. Paul MN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Flat-folded personal respiratory protection devices and processes for preparing same Grant 8,375,950 - Bostock , et al. February 19, 2	2013-02-19
Flat-folded personal respiratory protection devices Grant 8,146,594 - Bostock , et al. April 3, 2	2012-04-03
Flat-folded Personal Respiratory Protection Devices App 20100095967 - Bostock; Graham J. ; et al.	2010-04-22
Fibrous filtration face mask Grant 7,131,442 - Kronzer , et al. November 7, 2	2006-11-07
Flat-folded Personal Respiratory Protection Devices And Processes For Preparing Same App 20060180152 - Bostock; Graham J. ; et al.	2006-08-17
Flat-folded personal respiratory protection devices and processes for preparing same Grant 7,069,930 - Bostock , et al. July 4, 2	2006-07-04
Flat-folded personal respiratory protection devices and processes for preparing same App 20050139218 - Bostock, Graham J. ; et al.	2005-06-30
Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,886,563 - Bostock , et al. May 3, 2	2005-05-03
Flat-folded personal respiratory protection devices and processes for preparing same App 20040237964 - Bostock, Graham J. ; et al.	2004-12-02
Method of making a flat-folded personal respiratory protection device Grant 6,722,366 - Bostock , et al. April 20, 2	2004-04-20
Processes for preparing flat-folded personal respiratory protection devices Grant 6,715,489 - Bostock , et al. April 6, 2	2004-04-06
Flat-folded personal respiratory protection devices and processes for preparing same App 20030192546 - Bostock, Graham J. ; et al.	2003-10-16
Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,568,392 - Bostock , et al. May 27, 2	2003-05-27
Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,536,434 - Bostock , et al. March 25, 2	2003-03-25
Processes for preparing flat-folded personal respiratory protection devices App 20030015201 - Bostock, Graham J. ; et al.	2003-01-23
Uniform meltblown fibrous web Grant 6,492,286 - Berrigan , et al. December 10, 2	2002-12-10
Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,484,722 - Bostock , et al. November 26, 2	2002-11-26
Flat-folded personal respiratory protection devices and processes for preparing same App 20010015205 - Bostock, Graham J. ; et al.	2001-08-23
Multi-part headband and respirator mask assembly and process for making same Grant 6,148,817 - Bryant , et al. November 21, 2	2000-11-21
Uniform meltblown fibrous web and methods and apparatus for manufacturing Grant 6,139,308 - Berrigan , et al. October 31, 2	2000-10-31
Personal respiratory protection device having an exhalation valve Grant D431,647 - Henderson , et al. October 3, 2	2000-10-03
Flat-folded personal respiratory protection devices and processes for preparing same Grant 6,123,077 - Bostock , et al. September 26, 2	2000-09-26
Face mask having a combination adjustable ear loop and drop down band Grant 6,095,143 - Dyrud , et al. August 1, 2	2000-08-01
Elastomeric composite headband Grant 6,070,579 - Bryant , et al. June 6, 2	2000-06-06
Respiratory protection mask Grant D424,688 - Bryant , et al. May 9, 2	2000-05-09
Web of biocomponent blown fibers Grant 6,057,256 - Krueger , et al. May 2, 2	2000-05-02
Respiratory mask having comfortable inner cover web Grant 6,041,782 - Angadjivand , et al. March 28, 2	2000-03-28
Face mask having a combination adjustable ear loop and drop down band Grant 5,819,731 - Dyrud , et al. October 13, 1	1998-10-13
Multi-part headband and respirator mask assembly and process for making same Grant 5,724,677 - Bryant , et al. March 10, 1	1998-03-10
Method of forming an earplug containment device Grant 5,609,164 - Dyrud , et al. March 11, 1	1997-03-11
Method of making sorbent articles Grant 5,503,782 - Dyrud , et al. April 2, 1	1996-04-02
Methods of forming fibrous filtration face masks Grant 5,307,796 - Kronzer , et al. May 3, 1	1994-05-03
Earplug compression device Grant 5,195,539 - Dyrud , et al. March 23, 1	1993-03-23
Universal shipping container for hazardous liquids Grant 4,964,509 - Insley , et al. October 23, 1	1990-10-23
Particle-filled microporous materials Grant 4,957,943 - McAllister , et al. September 18, 1	1990-09-18
Resilient shape-retaining fibrous filtration face mask Grant 4,807,619 - Dyrud , et al. February 28, 1	1989-02-28
Respirator comprised of blown bicomponent fibers Grant 4,729,371 - Krueger , et al. March 8, 1	1988-03-08
Printable, Heat-bondable Sheet Material Grant 3,790,439 - La Perre , et al. February 5, 1	1974-02-05
Process Of Removing Oil From Mixtures Of Oil And Aqueous Media Grant 3,627,677 - Dyrud December 14, 1	1971-12-14

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