Howard E. Swanson

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Secondary surge arrester with isolating and indicating features
- Patent number 5,502,612
- Issue date Mar 26, 1996
- Joslyn Manufacturing Company
- Joseph C. Osterhout
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spring contact assembly for an electrical switch
- Patent number 3,959,616
- Issue date May 25, 1976
- G & W Electric Specialty Company
- Howard E. Swanson
- H01 - BASIC ELECTRIC ELEMENTS