Pocket Watch Database
Patent Archive
#1214843
Patent Information
Timer Furnace Damper
David H. Tillery
Thomas H. Tillery
February 6, 1917
Patent #1214843
| Patent Number: | 1214843 |
| Description: | Timer Furnace Damper |
| Inventor(s): |
David H. Tillery Thomas H. Tillery |
| Patent Date: | Feb 6, 1917 |
| Registration Type: | Patent |
| External Research: | https://www.google.c… |
| Patent Document: |
