Pocket Watch Database
Patent Archive
#195542
Patent Information
Watch Key
Donald D. Smith
September 25, 1877
Patent #195542
| Patent Number: | 195542 |
| Description: | Watch Key |
| Inventor(s): | Donald D. Smith |
| Patent Date: | Sep 25, 1877 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
