Pocket Watch Database
Patent Archive
#498022
Patent Information
Clock & Electric Meter
Henry H. Pattee
May 23, 1893
Patent #498022
Patent Number: | 498022 |
Description: | Clock & Electric Meter |
Inventor(s): | Henry H. Pattee |
Patent Date: | May 23, 1893 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |