Pocket Watch Database
Patent Archive
#1242132
Patent Information
Clock Electric
John A. Butkus
George Blumberg
October 9, 1917
Patent #1242132
| Patent Number: | 1242132 |
| Description: | Clock Electric |
| Inventor(s): |
John A. Butkus George Blumberg |
| Patent Date: | Oct 9, 1917 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
