Pocket Watch Database
Patent Archive
#3512355
Patent Information
Timer Telephone
Daniel L. Lang
May 19, 1970
Patent #3512355
| Patent Number: | 3512355 |
| Description: | Timer Telephone |
| Inventor(s): | Daniel L. Lang |
| Assignee: | Goldentone Electronics Inc |
| Patent Date: | May 19, 1970 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
