William F. Ridgway

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Rockford, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Over and under milling machine
- Patent number 3,954,044
- Issue date May 4, 1976
- The Ingersoll Milling Machine Company
- William F. Ridgway
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR