Pocket Watch Database
Patent Archive
#3130539
Patent Information
Watch Crown Seal
Robert L. Davis
April 28, 1964
Patent #3130539
| Patent Number: | 3130539 |
| Description: | Watch Crown Seal |
| Inventor(s): | Robert L. Davis |
| Patent Date: | Apr 28, 1964 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
