Pocket Watch Database
Patent Archive
#77504
Patent Information
Clock Pendulum
Donald O. P. Mc
May 5, 1868
Patent #77504
| Patent Number: | 77504 |
| Description: | Clock Pendulum |
| Inventor(s): | Donald O. P. Mc |
| Patent Date: | May 5, 1868 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
