Mark C. Hash

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Chelsea, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Frangible, ceramic-metal composite objects and methods of making th...
- Patent number 10,323,919
- Issue date Jun 18, 2019
- Ervin Industries, Inc.
- Mark C. Hash
- F42 - AMMUNITION BLASTING
Information Patent Grant
Lead-free, corrosion-resistant projectiles and methods of manufacture
- Patent number 9,188,416
- Issue date Nov 17, 2015
- Ervin Industries, Inc.
- Mark C. Hash
- F42 - AMMUNITION BLASTING
Information Patent Grant
Lead-free projectiles and methods of manufacture
- Patent number 9,057,591
- Issue date Jun 16, 2015
- Ervin Industries, Inc.
- Mark C. Hash
- F42 - AMMUNITION BLASTING
Information Patent Grant
Frangible, ceramic-metal composite objects and methods of making th...
- Patent number 8,468,947
- Issue date Jun 25, 2013
- Ervin Industries, Inc.
- Mark C. Hash
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Frangible, ceramic-metal composite objects and methods of making th...
- Patent number 8,028,626
- Issue date Oct 4, 2011
- Ervin Industries, Inc.
- Mark C. Hash
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
LEAD-FREE, CORROSION-RESISTANT PROJECTILES AND METHODS OF MANUFACTURE
- Publication number 20150330753
- Publication date Nov 19, 2015
- ERVIN INDUSTRIES, INC.
- Mark C. Hash
- C21 - METALLURGY OF IRON
Information Patent Application
LEAD-FREE PROJECTILES AND METHODS OF MANUFACTURE
- Publication number 20150107480
- Publication date Apr 23, 2015
- ERVIN INDUSTRIES, INC.
- Mark C. Hash
- F42 - AMMUNITION BLASTING
Information Patent Application
FRANGIBLE, CERAMIC-METAL COMPOSITE OBJECTS AND METHODS OF MAKING TH...
- Publication number 20120279412
- Publication date Nov 8, 2012
- ERVIN INDUSTRIES, INC.
- Mark C. Hash
- F42 - AMMUNITION BLASTING
Information Patent Application
FRANGIBLE, CERAMIC-METAL COMPOSITE OBJECTS AND METHODS OF MAKING TH...
- Publication number 20120024184
- Publication date Feb 2, 2012
- Ervin Industries, Inc.
- Mark C. Hash
- F42 - AMMUNITION BLASTING
Information Patent Application
FRANGIBLE, CERAMIC-METAL COMPOSITE OBJECTS AND METHODS OF MAKING TH...
- Publication number 20110162550
- Publication date Jul 7, 2011
- Ervin Industries, Inc.
- Mark C. Hash
- F42 - AMMUNITION BLASTING