Pocket Watch Database
Patent Archive
#1752939
Patent Information
Clock Secondary
James W. Bryce
April 1, 1930
Patent #1752939
| Patent Number: | 1752939 |
| Description: | Clock Secondary |
| Inventor(s): | James W. Bryce |
| Assignee: | International Time Record Co |
| Patent Date: | Apr 1, 1930 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
