Pocket Watch Database
Patent Archive
#161421
Patent Information
Watch Key
Henry Lohmeyer
March 30, 1875
Patent #161421
| Patent Number: | 161421 |
| Description: | Watch Key |
| Inventor(s): | Henry Lohmeyer |
| Patent Date: | Mar 30, 1875 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
