Ralph R. Doyle

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Arlington Heights, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive cutting wheel system
- Patent number 4,827,672
- Issue date May 9, 1989
- Buehler Ltd.
- David L. Brandt
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Multiple optical fiber polishing apparatus
- Patent number 4,693,035
- Issue date Sep 15, 1987
- Buehler Ltd.
- Ralph R. Doyle
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive slurry supply system for use in metallographic sample prep...
- Patent number 4,678,119
- Issue date Jul 7, 1987
- Buehler Ltd.
- Ralph R. Doyle
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus and method for polishing ends of fiber optics
- Patent number 4,587,768
- Issue date May 13, 1986
- Buehler Ltd.
- Ralph R. Doyle
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive slurry supply system for use in metallographic sample prep...
- Patent number 4,513,894
- Issue date Apr 30, 1985
- Buehler Ltd.
- Ralph R. Doyle
- B24 - GRINDING POLISHING