Pocket Watch Database
Patent Archive
#1097637
Patent Information
Clock Gravity Escape
Ernest A. Hummel
May 26, 1914
Patent #1097637
| Patent Number: | 1097637 |
| Description: | Clock Gravity Escape |
| Inventor(s): | Ernest A. Hummel |
| Assignee: | Haman Albert L |
| Patent Date: | May 26, 1914 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
