Pocket Watch Database
Patent Archive
#314041
Patent Information
Clock Pneumatic
A. Hahl
O. Mergenthaler
March 17, 1885
Patent #314041
| Patent Number: | 314041 |
| Description: | Clock Pneumatic |
| Inventor(s): |
A. Hahl O. Mergenthaler |
| Patent Date: | Mar 17, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
