Walker-Hall-Sears, Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker-Hall-Sears, Inc..The latest application filed is for "multi-contact connectors with identical contacts".
- Walker-Hall-Sears, Inc. - Houston TX
| Patent | Date |
|---|---|
| Multi-contact connectors with identical contacts Grant 4,045,107 - Sutherland August 30, 1 | 1977-08-30 |
| Coupler for joining three cables Grant 3,956,575 - Sutherland May 11, 1 | 1976-05-11 |
| Seismic transducer assembly for marshy terrains Grant 3,932,834 - Sutherland January 13, 1 | 1976-01-13 |
| Geophone case with improved cable anchor Grant 3,931,453 - Hall, Jr. January 6, 1 | 1976-01-06 |
| Method of making geophones having matched sensitivities Grant 3,930,216 - Hall, Jr. December 30, 1 | 1975-12-30 |
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