Pocket Watch Database
Patent Archive
#864533
Patent Information
Clock Drum
Arthur H. Hadley
August 27, 1907
Patent #864533
| Patent Number: | 864533 |
| Description: | Clock Drum |
| Inventor(s): | Arthur H. Hadley |
| Patent Date: | Aug 27, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
