Pocket Watch Database
Patent Archive
#424630
Patent Information
Clock Key
Rudolph Ueltzen
April 1, 1890
Patent #424630
| Patent Number: | 424630 |
| Description: | Clock Key |
| Inventor(s): | Rudolph Ueltzen |
| Patent Date: | Apr 1, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
