Pocket Watch Database
Patent Archive
#1922921
Patent Information
Clock Or Watch Main Spring Etc
Anton J. Anderson
August 15, 1933
Patent #1922921
| Patent Number: | 1922921 |
| Description: | Clock Or Watch Main Spring Etc |
| Inventor(s): | Anton J. Anderson |
| Patent Date: | Aug 15, 1933 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
