Pocket Watch Database
Patent Archive
#2580447
Patent Information
Time Record System
Samuel G. Lutz
January 1, 1952
Patent #2580447
| Patent Number: | 2580447 |
| Description: | Time Record System |
| Inventor(s): | Samuel G. Lutz |
| Patent Date: | Jan 1, 1952 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
