Pocket Watch Database
Patent Archive
#1336150
Patent Information
Clock Calendar
Aloysius Niemczura
April 6, 1920
Patent #1336150
| Patent Number: | 1336150 |
| Description: | Clock Calendar |
| Inventor(s): | Aloysius Niemczura |
| Patent Date: | Apr 6, 1920 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
