Donald H. Graham

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Fort Ashby, WV, US

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Patents Grantslast 30 patents

Information Patent Grant
Drying process for casting powders
- Patent number 4,172,866
- Issue date Oct 30, 1979
- Hercules Incorporated
- Donald H. Graham
- C06 - EXPLOSIVES MATCHES
Information Patent Grant
Magnetic orientation of casting powder granules
- Patent number 4,097,315
- Issue date Jun 27, 1978
- Hercules Incorporated
- William H. Gardner
- C06 - EXPLOSIVES MATCHES