Pocket Watch Database
Patent Archive
#429132
Patent Information
Clock Stop
Robert M. Johnson
June 3, 1890
Patent #429132
| Patent Number: | 429132 |
| Description: | Clock Stop |
| Inventor(s): | Robert M. Johnson |
| Patent Date: | Jun 3, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
