Pocket Watch Database
Patent Archive
#519421
Patent Information
Clock Gravity Escape
Hezekiah Conant
May 8, 1894
Patent #519421
| Patent Number: | 519421 |
| Description: | Clock Gravity Escape |
| Inventor(s): | Hezekiah Conant |
| Patent Date: | May 8, 1894 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
