Pocket Watch Database
Patent Archive
#3509715
Patent Information
Clock Electronic
Koster Heinz A. De
May 5, 1970
Patent #3509715
| Patent Number: | 3509715 |
| Description: | Clock Electronic |
| Inventor(s): | Koster Heinz A. De |
| Assignee: | General Time Corp |
| Patent Date: | May 5, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
