John F. Rihn

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Glenshaw, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Suspension connection arrangement for a suspension system of a safe...
- Patent number 9,949,522
- Issue date Apr 24, 2018
- MSA Technology, LLC
- Kevin R. Ketterer
- A42 - HEADWEAR
Information Patent Grant
Pressure regulator assembly
- Patent number 8,025,053
- Issue date Sep 27, 2011
- Mine Safety Appliances Company
- Christopher L. Prete
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Systems and Methods for Providing Reliable Helmet Suspension Instal...
- Publication number 20240065362
- Publication date Feb 29, 2024
- MSA Technology, LLC
- Kevin R. Ketterer
- A42 - HEADWEAR
Information Patent Application
Suspension Connection Arrangement for a Suspension System of a Safe...
- Publication number 20150059066
- Publication date Mar 5, 2015
- Kevin R. Ketterer
- A42 - HEADWEAR
Information Patent Application
MR injector system with increased mobility and electromagnetic inte...
- Publication number 20030050555
- Publication date Mar 13, 2003
- Richard G. Critchlow
- B60 - VEHICLES IN GENERAL