Pocket Watch Database
Patent Archive
#334770
Patent Information
Tool Micrometer Gauge
George B. Grant
January 26, 1886
Patent #334770
| Patent Number: | 334770 |
| Description: | Tool Micrometer Gauge |
| Inventor(s): | George B. Grant |
| Patent Date: | Jan 26, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
