Pocket Watch Database
Patent Archive
#109826
Patent Information
Watch Hair Spring
Calvin Kline
December 6, 1870
Patent #109826
| Patent Number: | 109826 |
| Description: | Watch Hair Spring |
| Inventor(s): | Calvin Kline |
| Assignee: | Kline Calvin |
| Patent Date: | Dec 6, 1870 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
