Richard Franklin Johnson

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Crystal, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Oxidative opening switch assembly and methods
- Patent number 8,686,825
- Issue date Apr 1, 2014
- JPA, Inc.
- Richard F. Johnson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oxidative opening switch assembly and methods
- Patent number 7,994,892
- Issue date Aug 9, 2011
- JPA Inc.
- Richard F. Johnson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sequential arc surface injector
- Patent number 6,119,599
- Issue date Sep 19, 2000
- United Defense, L.P.
- Richard Franklin Johnson
- F42 - AMMUNITION BLASTING
Information Patent Grant
Method and apparatus for providing a stabilized plasma arc
- Patent number 5,880,427
- Issue date Mar 9, 1999
- United Defense, L.P.
- Richard Franklin Johnson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrically activated, metal-fueled explosive device
- Patent number 5,859,383
- Issue date Jan 12, 1999
- David K. Davison
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Method and apparatus for providing a stabilized plasma arc
- Patent number 5,830,377
- Issue date Nov 3, 1998
- United Defense, L.P.
- Richard Franklin Johnson
- F42 - AMMUNITION BLASTING
Information Patent Grant
Stabilized plasma arc injector
- Patent number 5,688,416
- Issue date Nov 18, 1997
- FMC Corp.
- Richard Franklin Johnson
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
OXIDATIVE OPENING SWITCH ASSEMBLY AND METHODS
- Publication number 20110266118
- Publication date Nov 3, 2011
- Richard F. Johnson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OXIDATIVE OPENING SWITCH ASSEMBLY AND METHODS
- Publication number 20090095604
- Publication date Apr 16, 2009
- Richard F. Johnson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Non-lethal nose cone design
- Publication number 20050116090
- Publication date Jun 2, 2005
- Thomas C. Welty
- F42 - AMMUNITION BLASTING