Pocket Watch Database
Patent Archive
#2073275
Patent Information
Clock Calendar Mech
Boris Elberg
March 9, 1937
Patent #2073275
| Patent Number: | 2073275 |
| Description: | Clock Calendar Mech |
| Inventor(s): | Boris Elberg |
| Patent Date: | Mar 9, 1937 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
