Sidney R. Hamm

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Muskego, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Recloser means for reclosing interrupted high voltage electric circ...
- Patent number 5,175,403
- Issue date Dec 29, 1992
- Cooper Power Systems, Inc.
- Sidney R. Hamm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
SF6 puffer recloser
- Patent number 5,059,753
- Issue date Oct 22, 1991
- Cooper Industries, Inc.
- Sidney R. Hamm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modular bushing
- Patent number 4,965,407
- Issue date Oct 23, 1990
- Cooper Industries, Inc.
- Sidney R. Hamm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Dielectric barrier for a vacuum interrupter
- Patent number 4,879,441
- Issue date Nov 7, 1989
- Cooper Industries, Inc.
- Sidney R. Hamm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Recloser plenum puffer interrupter
- Patent number 4,841,108
- Issue date Jun 20, 1989
- Cooper Industries, Inc.
- Sidney R. Hamm
- H01 - BASIC ELECTRIC ELEMENTS