Pocket Watch Database
Patent Archive
#342086
Patent Information
Clock Electric Pendulum
Otto Haenichen
Friedrich Haenichen
May 18, 1886
Patent #342086
| Patent Number: | 342086 |
| Description: | Clock Electric Pendulum |
| Inventor(s): |
Otto Haenichen Friedrich Haenichen |
| Assignee: | Haeichen Otto |
| Patent Date: | May 18, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
