Pocket Watch Database
Patent Archive
#2202581
Patent Information
Time Indicate Mech
Nathan Hammer
May 28, 1940
Patent #2202581
| Patent Number: | 2202581 |
| Description: | Time Indicate Mech |
| Inventor(s): | Nathan Hammer |
| Patent Date: | May 28, 1940 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
