Pocket Watch Database
Patent Archive
#495915
Patent Information
Tool Micrometer
Frank Spalding
April 18, 1893
Patent #495915
Patent Number: | 495915 |
Description: | Tool Micrometer |
Inventor(s): | Frank Spalding |
Assignee: | Browne & Sharpe Mfg Co |
Patent Date: | Apr 18, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |