Pocket Watch Database
Patent Archive
#429360
Patent Information
Recorder Watch Man
Laughlin James F. Mc
June 3, 1890
Patent #429360
| Patent Number: | 429360 |
| Description: | Recorder Watch Man |
| Inventor(s): | Laughlin James F. Mc |
| Patent Date: | Jun 3, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
