Pocket Watch Database
Patent Archive
#310530
Patent Information
Clock System Electric Pneumatic
Charles Albert Mayrhofer
January 6, 1885
Patent #310530
| Patent Number: | 310530 |
| Description: | Clock System Electric Pneumatic |
| Inventor(s): | Charles Albert Mayrhofer |
| Assignee: | Diener Carl |
| Patent Date: | Jan 6, 1885 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
