Pocket Watch Database
Patent Archive
#454516
Patent Information
Tool Micrometer Gauge
Harvey E. Brown
June 23, 1891
Patent #454516
| Patent Number: | 454516 |
| Description: | Tool Micrometer Gauge |
| Inventor(s): | Harvey E. Brown |
| Assignee: | Boyer Joseph |
| Patent Date: | Jun 23, 1891 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
