Pocket Watch Database
Patent Archive
#503238
Patent Information
Tool Watch Measure
Joshua Doughty Howell
August 15, 1893
Patent #503238
| Patent Number: | 503238 |
| Description: | Tool Watch Measure |
| Inventor(s): | Joshua Doughty Howell |
| Patent Date: | Aug 15, 1893 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
