Pocket Watch Database
Patent Archive
#1417620
Patent Information
Clock Electric
Paul Mansel
May 30, 1922
Patent #1417620
| Patent Number: | 1417620 |
| Description: | Clock Electric |
| Inventor(s): | Paul Mansel |
| Assignee: | Siemens & Halske |
| Patent Date: | May 30, 1922 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
