Resource Type

Drier. (open access)

Drier.

Patent for a drier, specifically to dry saturated grounded food items. This device is best used for flour from corn to dry before processing it to a powder form, but can also be used for other types of cereal.
Date: July 19, 1921
Creator: Garza, Pablo Gonzalez
System: The Portal to Texas History
Truss. (open access)

Truss.

Patent for a new truss designed to hold ruptures without discomfort, suitable for single and double ruptures. The truss features a novel spring plate, soft rubber pads, and adjustable waterproof bands.
Date: April 19, 1921
Creator: Downie, James H.
System: The Portal to Texas History
Process of Forming Tubes (open access)

Process of Forming Tubes

Patent for the process of making tubes, especially tubes for producing, fitting, and/or refitting "eye-glasses, spectacles, &c." (lines 11-12).
Date: April 19, 1921
Creator: Rees, Herbert C.
System: The Portal to Texas History