Pocket Watch Database
Patent Archive
#1738467
Patent Information
Clock Contact Frictionless
Henry E. Warren
December 3, 1929
Patent #1738467
| Patent Number: | 1738467 |
| Description: | Clock Contact Frictionless |
| Inventor(s): | Henry E. Warren |
| Assignee: | Warren Telegraph Co |
| Patent Date: | Dec 3, 1929 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
