Pocket Watch Database
Patent Archive
#442142
Patent Information
Tool Second Hand Holder
Augustus Schwerter
December 9, 1890
Patent #442142
| Patent Number: | 442142 |
| Description: | Tool Second Hand Holder |
| Inventor(s): | Augustus Schwerter |
| Patent Date: | Dec 9, 1890 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
