Pocket Watch Database
Patent Archive
#342013
Patent Information
Recorder Watch Man Electric
Charles W. Holtzer
May 18, 1886
Patent #342013
| Patent Number: | 342013 |
| Description: | Recorder Watch Man Electric |
| Inventor(s): | Charles W. Holtzer |
| Patent Date: | May 18, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
