Pocket Watch Database
Patent Archive
#354122
Patent Information
Clock Helical Spring Pendulum
Benjamin Franklin Flint
December 14, 1886
Patent #354122
| Patent Number: | 354122 |
| Description: | Clock Helical Spring Pendulum |
| Inventor(s): | Benjamin Franklin Flint |
| Assignee: | Smith Algernon D |
| Patent Date: | Dec 14, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
