Roger B. Johnston

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Lafayette, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for applying dry lubricant to cartridge case n...
- Patent number 5,819,875
- Issue date Oct 13, 1998
- Roger B. Johnston
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method of applying abrasives to bullets for use in pressure (fire)...
- Patent number 5,378,499
- Issue date Jan 3, 1995
- Neco/Nostalgia Enterprises Co.
- Merrill D. Martin
- F42 - AMMUNITION BLASTING
Information Patent Grant
Cartridge runout fixture
- Patent number 5,301,436
- Issue date Apr 12, 1994
- Roger B. Johnston
- F42 - AMMUNITION BLASTING