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Patent Archive
#491557
Patent Information
Recorder Work Man
George W. Heene
February 14, 1893
Patent #491557
Patent Number: | 491557 |
Description: | Recorder Work Man |
Inventor(s): | George W. Heene |
Patent Date: | Feb 14, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |