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Ronald L. Gertsch
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San Diego, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Electronic headwear
Patent number
10,265,019
Issue date
Apr 23, 2019
Oxystrap Int'l, Inc.
Bruce Gertsch
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Electronic helmet
Patent number
8,001,623
Issue date
Aug 23, 2011
Jeffrey H. Gertsch
A42 - HEADWEAR
Patents Applications
last 30 patents
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Patent Application
ELECTRONIC HEADWEAR
Publication number
20140296669
Publication date
Oct 2, 2014
TRI-MATE PRO, INC.
Bruce Gertsch
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
ELECTRONIC HELMET
Publication number
20120198603
Publication date
Aug 9, 2012
Jeffrey H. Gertsch
A42 - HEADWEAR