Pocket Watch Database
Patent Archive
#225327
Patent Information
Signal Telephone
George H. Bliss
March 9, 1880
Patent #225327
Patent Number: | 225327 |
Description: | Signal Telephone |
Inventor(s): | George H. Bliss |
Patent Date: | Mar 9, 1880 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |