Pocket Watch Database
Patent Archive
#1921793
Patent Information
Spring Test Machine
Carl A. Thelander
August 8, 1933
Patent #1921793
| Patent Number: | 1921793 |
| Description: | Spring Test Machine |
| Inventor(s): | Carl A. Thelander |
| Assignee: | Borg-warner Corp |
| Patent Date: | Aug 8, 1933 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
