Richard F. Duncan

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Jeffersonville, IN, US

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Patents Grantslast 30 patents

Information Patent Grant
Tool for cutting materials and methods for sterilizing the same
- Patent number 4,153,973
- Issue date May 15, 1979
- Armour and Company
- David R. Hughes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Tool for cutting materials and methods for sterilizing the same
- Patent number 4,139,926
- Issue date Feb 20, 1979
- Armour and Company
- David R. Hughes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR