Stepan; Daniel J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Stepan; Daniel J..The latest application filed is for "molded respirator with integral nose pads provided by inwardly-folded tabs".

Company Profile

1.5.9

Stepan; Daniel J. - Woodbury MN
Stepan; Daniel J. - Grand Forks ND
Stepan; Daniel J. - 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
Molded Respirator with Integral Nose Pads Provided by Inwardly-Folded Tabs App 20190090558 - Xu; Feng ; et al.	2019-03-28
Buckle and respirator using such buckle, having a deformable cinch bar, and method Grant 8,375,951 - Gebrewold , et al. February 19, 2	2013-02-19
Filtering face-piece respirator that has expandable mask body Grant 8,342,180 - Martin , et al. January 1, 2	2013-01-01
Filtering face-piece respirator support structure that has living hinges Grant 8,118,026 - Gebrewold , et al. February 21, 2	2012-02-21
Filtering face-piece respirator having nose clip molded into the mask body Grant 8,066,006 - Daugaard , et al. November 29, 2	2011-11-29
Method And Apparatus For Improving Water Quality By Means Of Gasification App 20100038325 - Benson; Steven ; et al.	2010-02-18
Buckle And Respirator Using Such Buckle, Having A Deformable Cinch Bar, And Method App 20090193628 - Gebrewold; Yonas ; et al.	2009-08-06
Filtering Face-piece Respirator Having Nose Clip Molded Into The Mask Body App 20090090364 - Daugaard; Dwayne D. ; et al.	2009-04-09
Filtering Face-piece Respirator Support Structure That Has Living Hinges App 20090078262 - Gebrewold; Yonas ; et al.	2009-03-26
Filtering Face-piece Respirator Having Buckles Integral To The Mask Body Support Structure App 20090078266 - Stepan; Daniel J. ; et al.	2009-03-26
Filtering Face-piece Respirator That Has Expandable Mask Body App 20090078261 - Martin; Philip G. ; et al.	2009-03-26
Buckle Having A Flexural Strap Attachment Member And Respirator Using Such Buckle App 20090078268 - Stepan; Daniel J. ; et al.	2009-03-26
Additive To Mitigate Hydrogen Sulfide And Method Of Using The Same App 20080145270 - Ye; Dingyi ; et al.	2008-06-19

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