Pocket Watch Database
Patent Archive
#600049
Patent Information
Tool Caliper
Fred A. Thompson
March 1, 1898
Patent #600049
| Patent Number: | 600049 |
| Description: | Tool Caliper |
| Inventor(s): | Fred A. Thompson |
| Patent Date: | Mar 1, 1898 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
