Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Improvement in Combined Ventilators and Chimneys
Patent for improvement in Combined Ventilators and Chimneys. This object is to be used with the brick chimney on top of the roof to provide air circulation. It consists of an iron-lined inner flue secured within an outer casing with suitable bottom and top perforation for establishing air current around the flue.
Date:
July 14, 1874
Creator:
Hickley, Walter R & Dibrell, Charles J
System:
The Portal to Texas History
Seed Planter
Patent for a seed planter. This is an improvement on a previous patent, No. 693,724. Illustrations included.
Date:
July 14, 1903
Creator:
Ledbetter, William H.
System:
The Portal to Texas History