Pocket Watch Database
Patent Archive
#287181
Patent Information
Clock Gravity Escape
David Shive
October 23, 1883
Patent #287181
| Patent Number: | 287181 |
| Description: | Clock Gravity Escape |
| Inventor(s): | David Shive |
| Assignee: | Du Bois B F |
| Patent Date: | Oct 23, 1883 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
