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: |
