Hawn; David D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hawn; David D..The latest application filed is for "composite polyamide membrane having high acid content and low azo content".

Company Profile

0.7.9

Hawn; David D. - Midland MI

*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
Composite polyamide membrane having azo content and high acid content Grant 9,981,227 - Paul , et al. May 29, 2	2018-05-29
Composite polyamide membrane Grant 9,662,615 - Roy , et al. May 30, 2	2017-05-30
Composite polyamide membrane with improved structure Grant 9,630,149 - Roy , et al. April 25, 2	2017-04-25
Composite polyamide membrane having high acid content and low azo content Grant 9,616,392 - Tomlinson , et al. April 11, 2	2017-04-11
Composite polyamide membrane with increased carboxylic acid functionality Grant 9,610,542 - Roy , et al. April 4, 2	2017-04-04
Composite polyamide membrane having preferred azo content Grant 9,555,378 - Roy , et al. January 31, 2	2017-01-31
Highly Swellable Composite Polyamide Membrane App 20160317977 - Roy; Abhishek ; et al.	2016-11-03
Composite Polyamide Membrane Having High Acid Content And Low Azo Content App 20160317980 - Tomlinson; Ian A. ; et al.	2016-11-03
Composite Polyamide Membrane Having Azo Content And High Acid Content App 20160310909 - PAUL; Mou ; et al.	2016-10-27
Composite Polyamide Membrane Having Preferred Azo Content App 20160303520 - Roy; Abhishek ; et al.	2016-10-20
Composite Polyamide Membrane With Improved Structure App 20150165387 - Roy; Abhishek ; et al.	2015-06-18
Composite Polyamide Membrane With Carboxylic Acid Functionality App 20150157990 - Roy; Abhishek ; et al.	2015-06-11
Composite Polyamide Membrane App 20150151255 - Roy; Abhishek ; et al.	2015-06-04
Composite Polyamide Membrane With Increased Carboxylic Acid Functionality App 20150129485 - Roy; Abhishek ; et al.	2015-05-14

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