Pocket Watch Database
Patent Archive
#991460
Patent Information
Recorder Watch Man
Jacob Schlenker-grusen
May 2, 1911
Patent #991460
| Patent Number: | 991460 |
| Description: | Recorder Watch Man |
| Inventor(s): | Jacob Schlenker-grusen |
| Patent Date: | May 2, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
