Walker-Hall-Sears, Inc.

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Multi-contact connectors with identical contacts
- Patent number 4,045,107
- Issue date Aug 30, 1977
- Walker-Hall-Sears, Inc.
- Byron Sutherland
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coupler for joining three cables
- Patent number 3,956,575
- Issue date May 11, 1976
- Walker, Hall, Sears, Inc.
- Byron C. Sutherland
- G01 - MEASURING TESTING
Information Patent Grant
Seismic transducer assembly for marshy terrains
- Patent number 3,932,834
- Issue date Jan 13, 1976
- Walker-Hall-Sears, Inc.
- Byron C. Sutherland
- G01 - MEASURING TESTING
Information Patent Grant
Geophone case with improved cable anchor
- Patent number 3,931,453
- Issue date Jan 6, 1976
- Walker, Hall, Sears, Inc.
- Ernest M. Hall
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks