Pocket Watch Database
Patent Archive
#1054446
Patent Information
Watch Chronograph
Wilson E. Porter
February 25, 1913
Patent #1054446
| Patent Number: | 1054446 |
| Description: | Watch Chronograph |
| Inventor(s): | Wilson E. Porter |
| Assignee: | New Haven Clock Co |
| Patent Date: | Feb 25, 1913 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
