Christopher Preston

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North Bay, CA

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Patents Grantslast 30 patents

Information Patent Grant
Ammonium nitrate crystals, ammonium nitrate blasting agent and meth...
- Patent number 7,767,045
- Issue date Aug 3, 2010
- Nexco Inc.
- Christopher Preston
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Ammonium nitrate/fuel oil blasting explosive having decreased oil s...
- Patent number 5,041,177
- Issue date Aug 20, 1991
- ETI Explosives
- Ernest A. Hajto
- C06 - EXPLOSIVES MATCHES

Patents Applicationslast 30 patents

Information Patent Application
AMMONIUM NITRATE CRYSTALS, AMMONIUM NITRATE BLASTING AGENT AND METH...
- Publication number 20100258222
- Publication date Oct 14, 2010
- Nexco Inc.
- Christopher Preston
- C06 - EXPLOSIVES MATCHES
Information Patent Application
Ammonium nitrate crystals, ammonium nitrate blasting agent and meth...
- Publication number 20060219338
- Publication date Oct 5, 2006
- Nexco Inc.
- Christopher Preston
- C06 - EXPLOSIVES MATCHES
Information Patent Application
Ammonium nitrate blasting agent and method of production
- Publication number 20050269002
- Publication date Dec 8, 2005
- Nexco Inc.
- Christopher Preston
- C06 - EXPLOSIVES MATCHES