Pocket Watch Database
Patent Archive
#1858955
Patent Information
Clock System Pneumatic
Martin Fischer
May 17, 1932
Patent #1858955
| Patent Number: | 1858955 |
| Description: | Clock System Pneumatic |
| Inventor(s): | Martin Fischer |
| Patent Date: | May 17, 1932 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
