Pocket Watch Database
Patent Archive
#417987
Patent Information
Timepiece Regulate Indicator For
John T. Clark
December 24, 1889
Patent #417987
| Patent Number: | 417987 |
| Description: | Timepiece Regulate Indicator For |
| Inventor(s): | John T. Clark |
| Patent Date: | Dec 24, 1889 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
