Pocket Watch Database
Patent Archive
#441685
Patent Information
Tool Calipers Od & Id
Arthur Munch
December 2, 1890
Patent #441685
| Patent Number: | 441685 |
| Description: | Tool Calipers Od & Id |
| Inventor(s): | Arthur Munch |
| Patent Date: | Dec 2, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
