Pocket Watch Database
Patent Archive
#1968987
Patent Information
Electric Clock & Sign Combined
Joseph Block
August 7, 1934
Patent #1968987
Patent Number: | 1968987 |
Description: | Electric Clock & Sign Combined |
Inventor(s): | Joseph Block |
Patent Date: | Aug 7, 1934 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |