Pocket Watch Database
Patent Archive
#1378653
Patent Information
Clock Secondary
James W. Bryce
May 17, 1921
Patent #1378653
| Patent Number: | 1378653 |
| Description: | Clock Secondary |
| Inventor(s): | James W. Bryce |
| Assignee: | International Time Record Co |
| Patent Date: | May 17, 1921 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
