Pocket Watch Database
Patent Archive
#370400
Patent Information
Chronometer Thermometer Attach
Lean Thomas C. Mc
September 27, 1887
Patent #370400
Patent Number: | 370400 |
Description: | Chronometer Thermometer Attach |
Inventor(s): | Lean Thomas C. Mc |
Patent Date: | Sep 27, 1887 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |