Pocket Watch Database
Patent Archive
#314014
Patent Information
Clock Pneumatic
Ottmar Mergenthaler
Augustus L. Hahl
March 17, 1885
Patent #314014
| Patent Number: | 314014 |
| Description: | Clock Pneumatic |
| Inventor(s): |
Ottmar Mergenthaler Augustus L. Hahl |
| Patent Date: | Mar 17, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
