Daniel J. Stepan

Person

St.Paul, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Buckle and respirator using such buckle, having a deformable cinch...
- Patent number 8,375,951
- Issue date Feb 19, 2013
- 3M Innovative Properties Company
- Yonas Gebrewold
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Filtering face-piece respirator that has expandable mask body
- Patent number 8,342,180
- Issue date Jan 1, 2013
- 3M Innovative Properties Company
- Philip G. Martin
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Filtering face-piece respirator support structure that has living h...
- Patent number 8,118,026
- Issue date Feb 21, 2012
- 3M Innovative Properties Company
- Yonas Gebrewold
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Filtering face-piece respirator having nose clip molded into the ma...
- Patent number 8,066,006
- Issue date Nov 29, 2011
- 3M Innovative Properties Company
- Dwayne D. Daugaard
- A41 - WEARING APPAREL

Patents Applicationslast 30 patents

Information Patent Application
Molded Respirator with Integral Nose Pads Provided by Inwardly-Fold...
- Publication number 20190090558
- Publication date Mar 28, 2019
- 3M Innovative Properties Company
- Feng Xu
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
BUCKLE AND RESPIRATOR USING SUCH BUCKLE, HAVING A DEFORMABLE CINCH...
- Publication number 20090193628
- Publication date Aug 6, 2009
- 3M Innovative Properties Company
- Yonas Gebrewold
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
FILTERING FACE-PIECE RESPIRATOR HAVING NOSE CLIP MOLDED INTO THE MA...
- Publication number 20090090364
- Publication date Apr 9, 2009
- 3M Innovative Properties Company
- Dwayne D. Daugaard
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
FILTERING FACE-PIECE RESPIRATOR SUPPORT STRUCTURE THAT HAS LIVING H...
- Publication number 20090078262
- Publication date Mar 26, 2009
- 3M Innovative Properties Company
- Yonas Gebrewold
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
FILTERING FACE-PIECE RESPIRATOR THAT HAS EXPANDABLE MASK BODY
- Publication number 20090078261
- Publication date Mar 26, 2009
- 3M Innovative Properties Company
- Philip G. Martin
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
BUCKLE HAVING A FLEXURAL STRAP ATTACHMENT MEMBER AND RESPIRATOR USI...
- Publication number 20090078268
- Publication date Mar 26, 2009
- 3 M Innovative Properties Company
- Daniel J. Stepan
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
FILTERING FACE-PIECE RESPIRATOR HAVING BUCKLES INTEGRAL TO THE MASK...
- Publication number 20090078266
- Publication date Mar 26, 2009
- 3M Innovative Properties Company
- Daniel J. Stepan
- A62 - LIFE-SAVING FIRE-FIGHTING

Daniel J. Stepan

Person

Patents Grantslast 30 patents

Buckle and respirator using such buckle, having a deformable cinch...

Filtering face-piece respirator that has expandable mask body

Filtering face-piece respirator support structure that has living h...

Filtering face-piece respirator having nose clip molded into the ma...

Patents Applicationslast 30 patents

Molded Respirator with Integral Nose Pads Provided by Inwardly-Fold...

BUCKLE AND RESPIRATOR USING SUCH BUCKLE, HAVING A DEFORMABLE CINCH...

FILTERING FACE-PIECE RESPIRATOR HAVING NOSE CLIP MOLDED INTO THE MA...

FILTERING FACE-PIECE RESPIRATOR SUPPORT STRUCTURE THAT HAS LIVING H...

FILTERING FACE-PIECE RESPIRATOR THAT HAS EXPANDABLE MASK BODY

BUCKLE HAVING A FLEXURAL STRAP ATTACHMENT MEMBER AND RESPIRATOR USI...

FILTERING FACE-PIECE RESPIRATOR HAVING BUCKLES INTEGRAL TO THE MASK...