Pocket Watch Database
Patent Archive
#251360
Patent Information
Clock Pendulum
Henry H. Jr Ham
December 27, 1881
Patent #251360
| Patent Number: | 251360 |
| Description: | Clock Pendulum |
| Inventor(s): | Henry H. Jr Ham |
| Patent Date: | Dec 27, 1881 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
