Pocket Watch Database
Patent Archive
#2637968
Patent Information
Clock Electric Wind
Clarence J. Armstrong
May 12, 1953
Patent #2637968
| Patent Number: | 2637968 |
| Description: | Clock Electric Wind |
| Inventor(s): | Clarence J. Armstrong |
| Assignee: | Sangamo Electric Co |
| Patent Date: | May 12, 1953 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
