Pocket Watch Database
Patent Archive
#1049004
Patent Information
Clock Secondary
Alfred L. Sohm
December 31, 1912
Patent #1049004
Patent Number: | 1049004 |
Description: | Clock Secondary |
Inventor(s): | Alfred L. Sohm |
Assignee: | Sohm Electric Signal & Recordi |
Patent Date: | Dec 31, 1912 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |