David Michael Holland

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East Aurora, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Positive seal coupling system
- Patent number 9,310,007
- Issue date Apr 12, 2016
- Marubeni-Itochu Tubulars America Inc.
- David Michael Holland
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
POSITIVE SEAL COUPLING SYSTEM
- Publication number 20150054275
- Publication date Feb 26, 2015
- Marubeni-Itochu Tubulars America Inc.
- David Michael Holland
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
POSITIVE SEAL COUPLING SYSTEM
- Publication number 20140312615
- Publication date Oct 23, 2014
- Marubeni-Itochu Tubulars America Inc.
- David Michael Holland
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC