Donald M. Hansen

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Jackson, MS, US

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Patents Grantslast 30 patents

Information Patent Grant
Filtering means for arc suppressing gas system
- Patent number 4,259,097
- Issue date Mar 31, 1981
- Siemens-Allis, Inc.
- Amrut R. Patel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Force convection heat pump and temperature measuring system for a g...
- Patent number 4,208,556
- Issue date Jun 17, 1980
- Siemens-Allis, Inc.
- Amrut R. Patel
- H01 - BASIC ELECTRIC ELEMENTS