AIR REGULATING ATTACHMENT (open access)

AIR REGULATING ATTACHMENT

Patent for an Air Regulating Attachment. This new invention for an air regulating attachment builds upon previous advancements to create an inexpensive air regulating attachment system, which will in turn be used to regulate engine carburetors (Oscar Kiessing).
Date: April 21, 1919
Creator: Kiessig, Oscar
System: The Portal to Texas History
Cotton-Chopper (open access)

Cotton-Chopper

Patent for a cotton chopper. Illustrations included.
Date: April 21, 1908
Creator: Barnett, James Samuel
System: The Portal to Texas History
Improvement in Harvesters. (open access)

Improvement in Harvesters.

Patent for cutting grain in gavels at regular intervals along the track of the machine, including illustration.
Date: April 21, 1857
Creator: Wilson, J. C. & Wilson, T. G.
System: The Portal to Texas History
Sanding Machine (open access)

Sanding Machine

Patent for a sanding machine. This invention is designed to apply sand to freshly painted surfaces. The sanding machine consists of a sandbox that communicates with a spraying nozzle. Illustration included.
Date: April 21, 1908
Creator: Mullikin, Ellie Hugh
System: The Portal to Texas History
Spring-Wheel. (open access)

Spring-Wheel.

Patent for resilient, non-pneumatic vehicle wheels that absorb road vibrations and shocks.
Date: April 21, 1914
Creator: Crowe, Thomas J.
System: The Portal to Texas History
Window Screen Holder. (open access)

Window Screen Holder.

Patent for a new and improved window-screen holder. This design "consists in the combination, with a window-frame and a window-screen held in the same, of wires secured on the casing of the frame and having bends near their upper ends, and of hook-eyes held on the sides of the screen-frame and surrounding the wires. The invention also consists in a plate pivoted to the under side of the bottom rail of the screen-frame for covering a recess formed in the under edge and inner side of the said rail or piece" (lines 13-23).
Date: April 21, 1885
Creator: Barlow, Henry C.
System: The Portal to Texas History