Pocket Watch Database
Patent Archive
#489532
Patent Information
Recorder Watch Man
Otto E. Hausburg
January 10, 1893
Patent #489532
| Patent Number: | 489532 |
| Description: | Recorder Watch Man |
| Inventor(s): | Otto E. Hausburg |
| Patent Date: | Jan 10, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
