Pocket Watch Database
Patent Archive
#1302604
Patent Information
Clock Secondary System
Alfred L. Sohm
May 6, 1919
Patent #1302604
Patent Number: | 1302604 |
Description: | Clock Secondary System |
Inventor(s): | Alfred L. Sohm |
Assignee: | Sohm Electric Co |
Patent Date: | May 6, 1919 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |