Pocket Watch Database
Patent Archive
#350142
Patent Information
Machine Pinion Cut
Frank Leman
October 5, 1886
Patent #350142
Patent Number: | 350142 |
Description: | Machine Pinion Cut |
Inventor(s): | Frank Leman |
Patent Date: | Oct 5, 1886 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |