Pocket Watch Database
Patent Archive
#850887
Patent Information
Clock & Watch Change In Temperature
Samuel Kahan
April 16, 1907
Patent #850887
| Patent Number: | 850887 |
| Description: | Clock & Watch Change In Temperature |
| Inventor(s): | Samuel Kahan |
| Patent Date: | Apr 16, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
