Pocket Watch Database
Patent Archive
#502157
Patent Information
Clock Synch Electric
Arthur G. Wiseman
July 25, 1893
Patent #502157
| Patent Number: | 502157 |
| Description: | Clock Synch Electric |
| Inventor(s): | Arthur G. Wiseman |
| Patent Date: | Jul 25, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
