Pocket Watch Database
Patent Archive
#108390
Patent Information
Clock Balance Pendulum
George Albert Whitcomb
Richard Robley Ramsdell
October 18, 1870
Patent #108390
| Patent Number: | 108390 |
| Description: | Clock Balance Pendulum |
| Inventor(s): |
George Albert Whitcomb Richard Robley Ramsdell |
| Patent Date: | Oct 18, 1870 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
