Handle Attachment for Surface-Treating Machines. (open access)

Handle Attachment for Surface-Treating Machines.

Patent for surface treating machines handle attachments that can be easily attached and removed.
Date: September 14, 1920
Creator: Clarke, Alex A.
System: The Portal to Texas History
Surface-Treating Device. (open access)

Surface-Treating Device.

Patent for surface treating devices that provides "a continuously moving surface treating member and support the same in such a manner that its application to the work may be adjusted to a minute degree and controlled by the operator while the device is in operation." (lines 11-16)
Date: September 14, 1920
Creator: Clarke, Alex A.
System: The Portal to Texas History
Surface-Treating Machine. (open access)

Surface-Treating Machine.

Patent for surface-treating machines in "an anular form and to dispose within the same a complete driving and operating unit, whereby the member is revolved, and to associate with said member and unit a support where by the surface-treating member is carried and may be applied to the work under full control of the operator." (lines 12-19)
Date: September 14, 1920
Creator: Clarke, Alex A.
System: The Portal to Texas History
Nozzle (open access)

Nozzle

Patent for improved head component to nozzles used for spraying liquid paint remover, steam, sand, and other such substances.
Date: December 14, 1920
Creator: Cleveland, David P.
System: The Portal to Texas History
Surgical Splint (open access)

Surgical Splint

Patent for a surgical splint, which is semi-rigid so that the instrument is rigid enough to maintain its shape and tension, but with a construction that includes softer materials like rubber so that it can be adjusted without causing pain or discomfort. Patent includes illustrations.
Date: December 14, 1920
Creator: Crawford, Lyter H. & Prante, John H.
System: The Portal to Texas History