Pocket Watch Database
Patent Archive
#495556
Patent Information
Clock Gas Switch
Frank A. Langwith
March 18, 1893
Patent #495556
| Patent Number: | 495556 |
| Description: | Clock Gas Switch |
| Inventor(s): | Frank A. Langwith |
| Assignee: | Myers Joseph J |
| Patent Date: | Mar 18, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
