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Patent Archive
#1926901
Patent Information
Electric Time System
Laurence S. Harrison
September 12, 1933
Patent #1926901
Patent Number: | 1926901 |
Description: | Electric Time System |
Inventor(s): | Laurence S. Harrison |
Assignee: | Ibm Corp |
Patent Date: | Sep 12, 1933 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |