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:  PDF