Patent information:
Patent: | Utility 1,744,566 |
Patented: | January 21, 1930 |
Applied: | September 11, 1924 |
Title: | Ground Resistance Test Set |
Description: | Portable instrument to measure electrical ground resistance |
Category: | Testing |
Assigned to: | Western Union Telegraph Co. |
Patentee Information:
Class and subclass information:
Class: | 324 | ELECTRICITY: MEASURING AND TESTING |
Subclass: | 706 | |
Known specimens:
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Drawings:
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