Pocket Watch Database
Patent Archive
#1004827
Patent Information
Timer Furnace Damper
John P. Tonsor
October 3, 1911
Patent #1004827
| Patent Number: | 1004827 |
| Description: | Timer Furnace Damper |
| Inventor(s): | John P. Tonsor |
| Assignee: | Ortholf Christian |
| Patent Date: | Oct 3, 1911 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
