Pocket Watch Database
Patent Archive
#869909
Patent Information
Barometer Aneroid -watch-
Adolph E. Kahn
November 5, 1907
Patent #869909
| Patent Number: | 869909 |
| Description: | Barometer Aneroid -watch- |
| Inventor(s): | Adolph E. Kahn |
| Patent Date: | Nov 5, 1907 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
