Pocket Watch Database
Patent Archive
#692663
Patent Information
Machine Watch Nvt Cleaner
John J. Higgins
February 4, 1902
Patent #692663
| Patent Number: | 692663 |
| Description: | Machine Watch Nvt Cleaner |
| Inventor(s): | John J. Higgins |
| Patent Date: | Feb 4, 1902 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
