Pocket Watch Database
Patent Archive
#1520204
Patent Information
Clock Clepsydra
Nick Opich
December 23, 1924
Patent #1520204
| Patent Number: | 1520204 |
| Description: | Clock Clepsydra |
| Inventor(s): | Nick Opich |
| Patent Date: | Dec 23, 1924 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
