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Patent Archive
#1811791
Patent Information
Clock Strike
Elwood C. Hall
June 23, 1931
Patent #1811791
Patent Number: | 1811791 |
Description: | Clock Strike |
Inventor(s): | Elwood C. Hall |
Patent Date: | Jun 23, 1931 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |