Pocket Watch Database
Patent Archive
#598066
Patent Information
Clock Pneumatic
Augustus L. Hahl
January 25, 1898
Patent #598066
Patent Number: | 598066 |
Description: | Clock Pneumatic |
Inventor(s): | Augustus L. Hahl |
Patent Date: | Jan 25, 1898 |
Registration Type: | Patent |
External Research: | https://www.google.c… |
Patent Document: |