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: |