Pocket Watch Database
Patent Archive
#335186
Patent Information
Time Control & Correct System
William F. Gardner
February 2, 1886
Patent #335186
Patent Number: | 335186 |
Description: | Time Control & Correct System |
Inventor(s): | William F. Gardner |
Patent Date: | Feb 2, 1886 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |