Pocket Watch Database
Patent Archive
#271888
Patent Information
Clock System Hydropneumatic
Charles A. Mayrhofer
February 6, 1883
Patent #271888
| Patent Number: | 271888 |
| Description: | Clock System Hydropneumatic |
| Inventor(s): | Charles A. Mayrhofer |
| Assignee: | Von Markhof Ritter |
| Patent Date: | Feb 6, 1883 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
