Pocket Watch Database
Patent Archive
#120618
Patent Information
Tool Balance Wheel
Leonard C. Butch
Augustin F. Thoma
November 7, 1871
Patent #120618
| Patent Number: | 120618 |
| Description: | Tool Balance Wheel |
| Inventor(s): |
Leonard C. Butch Augustin F. Thoma |
| Patent Date: | Nov 7, 1871 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
