Pocket Watch Database
Patent Archive
#337365
Patent Information
Watch Case Spring
Albert L. Blankenmeister
March 9, 1886
Patent #337365
| Patent Number: | 337365 |
| Description: | Watch Case Spring |
| Inventor(s): | Albert L. Blankenmeister |
| Patent Date: | Mar 9, 1886 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
