Pocket Watch Database
Patent Archive
#130971
Patent Information
Recorder Watch Man Electric
John M. Batchelder
September 3, 1872
Patent #130971
| Patent Number: | 130971 |
| Description: | Recorder Watch Man Electric |
| Inventor(s): | John M. Batchelder |
| Patent Date: | Sep 3, 1872 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
