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Combustion-Gas and Crude-Oil Burner

Description: Patent for a burner which can be used with either gas or oil, or both at once.
Date: May 11, 1920
Creator: Runyan, Benjamin F.
Partner: UNT Libraries Government Documents Department

Crude-Oil Burner.

Description: Patent for an improvement on a crude oil burner that can adapt to various grades of crude oil as well as providing intense heat to various sizes of boilers.
Date: May 11, 1920
Creator: Runyan, Benjamin F.
Partner: UNT Libraries Government Documents Department

Concrete Wall Mold.

Description: Patent for "a concrete wall mold which is so constructed as to produce a very strong wall having vertically extended channels which form ribs materially reinforcing the structure" (lines 10-14)
Date: June 11, 1920
Creator: Porter, Charles S.
Partner: UNT Libraries Government Documents Department
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