Pocket Watch Database
Patent Archive
#981989
Patent Information
Recorder Chronograph
Theodore T. Fitch
January 17, 1911
Patent #981989
| Patent Number: | 981989 |
| Description: | Recorder Chronograph |
| Inventor(s): | Theodore T. Fitch |
| Patent Date: | Jan 17, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
