Pocket Watch Database
Patent Archive
#1627001
Patent Information
Clock Secondary Regulate Device
Masaji Yokoyama
May 3, 1927
Patent #1627001
| Patent Number: | 1627001 |
| Description: | Clock Secondary Regulate Device |
| Inventor(s): | Masaji Yokoyama |
| Patent Date: | May 3, 1927 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
