Michael R. Johnston

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Troutman, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Gas appliance
- Patent number 8,727,389
- Issue date May 20, 2014
- Worthington Torch, LLC
- Thomas A. Burdsall
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Gas appliance
- Patent number 7,985,068
- Issue date Jul 26, 2011
- Irwin Industrial Tool Company
- Thomas A. Burdsall
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Safety mechanism for a torch
- Patent number 7,967,601
- Issue date Jun 28, 2011
- Irwin Industrial Tool Company
- Michael R. Johnston
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Safety mechanism for a torch
- Patent number 7,771,191
- Issue date Aug 10, 2010
- Irwin Industrial Tool Company
- Michael R. Johnston
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES

Patents Applicationslast 30 patents

Information Patent Application
TORCH AND CANISTER
- Publication number 20090092939
- Publication date Apr 9, 2009
- Irwin Industrial Tool Company
- Michael R. Johnston
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
GAS APPLIANCE
- Publication number 20080274434
- Publication date Nov 6, 2008
- Thomas A. Burdsall
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
GAS APPLIANCE
- Publication number 20080271798
- Publication date Nov 6, 2008
- Thomas A. Burdsall
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
SAFETY MECHANISM FOR A TORCH
- Publication number 20070281262
- Publication date Dec 6, 2007
- Michael R. Johnston
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
SAFETY MECHANISM FOR A TORCH
- Publication number 20070281263
- Publication date Dec 6, 2007
- Michael R. Johnston
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES