Pocket Watch Database
Patent Archive
#200539
Patent Information
Watch Plate
John L. Hutchinson
Henry Dehouck
February 19, 1878
Patent #200539
| Patent Number: | 200539 |
| Description: | Watch Plate |
| Inventor(s): |
John L. Hutchinson Henry Dehouck |
| Patent Date: | Feb 19, 1878 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
