Pocket Watch Database
Patent Archive
#343178
Patent Information
Tool Caliper
George W. Jopson
June 8, 1886
Patent #343178
| Patent Number: | 343178 |
| Description: | Tool Caliper |
| Inventor(s): | George W. Jopson |
| Patent Date: | Jun 8, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
