Pocket Watch Database
Patent Archive
#1138989
Patent Information
Recorder Work Man
Alfred L. Sohm
May 11, 1915
Patent #1138989
| Patent Number: | 1138989 |
| Description: | Recorder Work Man |
| Inventor(s): | Alfred L. Sohm |
| Assignee: | Sohm Electric Signal & Recordi |
| Patent Date: | May 11, 1915 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
