Pocket Watch Database
Patent Archive
#638510
Patent Information
Watch Plate
Felipe Hecht
December 5, 1899
Patent #638510
| Patent Number: | 638510 |
| Description: | Watch Plate |
| Inventor(s): | Felipe Hecht |
| Patent Date: | Dec 5, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
