Pocket Watch Database
Patent Archive
#332879
Patent Information
Clock Escape Rotary
William Dudley Chapman
December 22, 1885
Patent #332879
| Patent Number: | 332879 |
| Description: | Clock Escape Rotary |
| Inventor(s): | William Dudley Chapman |
| Patent Date: | Dec 22, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
