Pocket Watch Database

Patent Archive
#2934887

Patent Information

Drive Device For Clock Work

Robert Keller

May 3, 1960

Patent #2934887
Patent Number:2934887
Description:Drive Device For Clock Work
Inventor(s): Robert Keller
Assignee:Patek Philippe & Co
Patent Date:May 3, 1960
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF