Pocket Watch Database
Patent Archive
#594949
Patent Information
Recorder Work Man
Sigmund Heller
December 7, 1897
Patent #594949
| Patent Number: | 594949 |
| Description: | Recorder Work Man |
| Inventor(s): | Sigmund Heller |
| Patent Date: | Dec 7, 1897 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
