Pocket Watch Database
Patent Archive
#504432
Patent Information
Clock Calendar
Hulda Grunberg
September 5, 1893
Patent #504432
| Patent Number: | 504432 |
| Description: | Clock Calendar |
| Inventor(s): | Hulda Grunberg |
| Patent Date: | Sep 5, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
