Pocket Watch Database
Patent Archive
#443869
Patent Information
Tool Micrometer Gauge
Jacob W. Riglander
December 30, 1890
Patent #443869
| Patent Number: | 443869 |
| Description: | Tool Micrometer Gauge |
| Inventor(s): | Jacob W. Riglander |
| Patent Date: | Dec 30, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
