James I. Masterman

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Owatonna, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Control valve
- Patent number 4,471,805
- Issue date Sep 18, 1984
- Owatonna Tool Company
- James C. Solie
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Low speed pump
- Patent number 3,992,131
- Issue date Nov 16, 1976
- Owatonna Tool Company
- James I. Masterman
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...