Pocket Watch Database
Patent Archive
#1730448
Patent Information
Clock System Pneumatic
James W. Bryce
October 8, 1929
Patent #1730448
| Patent Number: | 1730448 |
| Description: | Clock System Pneumatic |
| Inventor(s): | James W. Bryce |
| Assignee: | International Time Record Co |
| Patent Date: | Oct 8, 1929 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
