Pocket Watch Database
Patent Archive
#2838693
Patent Information
Isochronical Device
Horn John A. Van
June 10, 1958
Patent #2838693
Manufacturer: | Hamilton |
Patent Number: | 2838693 |
Description: | Isochronical Device |
Inventor(s): | Horn John A. Van |
Assignee: | Hamilton Watch Co |
Patent Date: | Jun 10, 1958 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |