Frederick J. Sigworth

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Orinda, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Angular position sensing and control system, apparatus and method
- Patent number 3,974,699
- Issue date Aug 17, 1976
- Systron Donner Corporation
- Harold D. Morris
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Low noise electronic circuit, transducer using the same, and method
- Patent number 3,967,064
- Issue date Jun 29, 1976
- Systron Donner Corporation
- Frederick J. Sigworth
- G01 - MEASURING TESTING