Pocket Watch Database
Patent Archive
#857216
Patent Information
Watch Safety
Leslie L. Tirrell
June 18, 1907
Patent #857216
| Patent Number: | 857216 |
| Description: | Watch Safety |
| Inventor(s): | Leslie L. Tirrell |
| Patent Date: | Jun 18, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
