Pocket Watch Database
Patent Archive
#769197
Patent Information
Tool Micrometer
Frank Spalding
September 6, 1904
Patent #769197
Patent Number: | 769197 |
Description: | Tool Micrometer |
Inventor(s): | Frank Spalding |
Assignee: | Brown & Sharpe Mfg Co |
Patent Date: | Sep 6, 1904 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |