Pocket Watch Database
Patent Archive
#634241
Patent Information
Workman's Time Recorder
Charles Korfhage
October 3, 1899
Patent #634241
| Patent Number: | 634241 |
| Description: | Workman's Time Recorder |
| Inventor(s): | Charles Korfhage |
| Patent Date: | Oct 3, 1899 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
