Pocket Watch Database
Patent Archive
#841656
Patent Information
Machine Engrave
Walter Armstrong
January 22, 1907
Patent #841656
| Patent Number: | 841656 |
| Description: | Machine Engrave |
| Inventor(s): | Walter Armstrong |
| Patent Date: | Jan 22, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
