Donald G. Parrott

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Alstead, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple-ratio boost valve
- Patent number 9,447,871
- Issue date Sep 20, 2016
- Sonnax Industries, Inc.
- Todd V. Mangiagli
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Universal jig/work holding fixture and method of use
- Patent number 7,771,144
- Issue date Aug 10, 2010
- Sonnax Industries, Inc.
- Gregg A. Nader
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Universal jig/work holding fixture and method of use
- Patent number 7,220,085
- Issue date May 22, 2007
- Sonnax Industries, Inc.
- Gregg A. Nader
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Multiple-Ratio Boost Valve
- Publication number 20150152959
- Publication date Jun 4, 2015
- Sonnax Industries, Inc.
- Todd V. Mangiagli
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Universal jig/work holding fixture and method of use
- Publication number 20060104729
- Publication date May 18, 2006
- Gregg A. Nader
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR