Sumner B Marshall, III

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Webster, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital noise reduction for motors
- Patent number 7,231,139
- Issue date Jun 12, 2007
- Asahi Kasei Microsystems Co., Ltd.
- Mark E Collins
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...