Pocket Watch Database
Patent Archive
#3428879
Patent Information
Oscillator Device For Timepiece Mechanisms
Fritz Marti
February 18, 1969
Patent #3428879
Patent Number: | 3428879 |
Description: | Oscillator Device For Timepiece Mechanisms |
Inventor(s): | Fritz Marti |
Assignee: | Portescap |
Patent Date: | Feb 18, 1969 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |