Pocket Watch Database
Patent Archive
#1007171
Patent Information
Spring Test Apparatus
Frank R. Alford
October 31, 1911
Patent #1007171
| Patent Number: | 1007171 |
| Description: | Spring Test Apparatus |
| Inventor(s): | Frank R. Alford |
| Assignee: | Gilbert Clock Co William L |
| Patent Date: | Oct 31, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
