Pocket Watch Database
Patent Archive
#986823
Patent Information
Machine Electroplate
John W. Heaphy
March 14, 1911
Patent #986823
Patent Number: | 986823 |
Description: | Machine Electroplate |
Inventor(s): | John W. Heaphy |
Patent Date: | Mar 14, 1911 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |