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Patent Archive
#397505
Patent Information
Method Of Insert Main Spring & Remove
Ernest Karthaus
February 12, 1889
Patent #397505
Patent Number: | 397505 |
Description: | Method Of Insert Main Spring & Remove |
Inventor(s): | Ernest Karthaus |
Patent Date: | Feb 12, 1889 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |