Pocket Watch Database
Patent Archive
#215381
Patent Information
Clock Pneumatic
Charles Albert Mayrhofer
May 13, 1879
Patent #215381
| Patent Number: | 215381 |
| Description: | Clock Pneumatic |
| Inventor(s): | Charles Albert Mayrhofer |
| Assignee: | Resch Ernest |
| Patent Date: | May 13, 1879 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
