Pocket Watch Database
Patent Archive
#845637
Patent Information
Recorder Watch Man Electric
Otto E. Hausburg
February 26, 1907
Patent #845637
| Patent Number: | 845637 |
| Description: | Recorder Watch Man Electric |
| Inventor(s): | Otto E. Hausburg |
| Patent Date: | Feb 26, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
