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: |