Pocket Watch Database
Patent Archive
#218224
Patent Information
Chronograph
Edward G. Boynett
August 5, 1879
Patent #218224
| Patent Number: | 218224 |
| Description: | Chronograph |
| Inventor(s): | Edward G. Boynett |
| Patent Date: | Aug 5, 1879 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
