Pocket Watch Database
Patent Archive
#480576
Patent Information
Timepiece Method Test Circuit Electric System
William F. Gardner
August 9, 1892
Patent #480576
| Patent Number: | 480576 |
| Description: | Timepiece Method Test Circuit Electric System |
| Inventor(s): | William F. Gardner |
| Patent Date: | Aug 9, 1892 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
