for multi-position switches without wipers

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Patents Grantslast 30 patents

Information Patent Grant
Switching device for reed relays in a matrix
- Patent number 4,071,840
- Issue date Jan 31, 1978
- International Standard Electric Corporation
- Emanuel Marie Augustin Jammes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Plural line selector apparatus for enabling selection of one of a p...
- Patent number 3,931,481
- Issue date Jan 6, 1976
- Litton Business Telephone Systems, Inc.
- Joseph Monroe Jackson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
3723660
- Patent number 3,723,660
- Issue date Mar 27, 1973
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
3535692
- Patent number 3,535,692
- Issue date Oct 20, 1970
- H04 - ELECTRIC COMMUNICATION TECHNIQUE