Pocket Watch Database
Patent Archive
#983661
Patent Information
Timer Damper
Harry L. Weigel
February 7, 1911
Patent #983661
Patent Number: | 983661 |
Description: | Timer Damper |
Inventor(s): | Harry L. Weigel |
Patent Date: | Feb 7, 1911 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |