Pocket Watch Database
Patent Archive
#629370
Patent Information
Beat Adjust For Pendulum
Harry D. Keeler
July 25, 1899
Patent #629370
| Patent Number: | 629370 |
| Description: | Beat Adjust For Pendulum |
| Inventor(s): | Harry D. Keeler |
| Patent Date: | Jul 25, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
