Pocket Watch Database
Patent Archive
#1070150
Patent Information
Tool Hair Spring Stud
Isaac T. Maddocks
August 12, 1913
Patent #1070150
| Patent Number: | 1070150 |
| Description: | Tool Hair Spring Stud |
| Inventor(s): | Isaac T. Maddocks |
| Patent Date: | Aug 12, 1913 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
