Pocket Watch Database
Patent Archive
#579951
Patent Information
Tool Caliper
John Bystrom
April 6, 1897
Patent #579951
| Patent Number: | 579951 |
| Description: | Tool Caliper |
| Inventor(s): | John Bystrom |
| Patent Date: | Apr 6, 1897 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
