Bulkhead. (open access)

Bulkhead.

Patent for bulkhead that is "adapted for use as a sea wall or quay wall" (lines 10-11).
Date: March 25, 1919
Creator: Sands, Edward E.
System: The Portal to Texas History
Well-Screen Washer and Perforator. (open access)

Well-Screen Washer and Perforator.

Patent for a device that is used to wash a screen set in an oil well and perforate the pipe the screen is attached to.
Date: March 25, 1919
Creator: Wilkirson, Aaron L.
System: The Portal to Texas History
Screw Jack (open access)

Screw Jack

Patent for improvements in screw jacks.
Date: March 25, 1919
Creator: Ewing, H. L.
System: The Portal to Texas History
Footboard-Brace for Vehicles. (open access)

Footboard-Brace for Vehicles.

Patent for footboard-brace for vehicles that are adapted to be supported from the vehicle frame and is also adjustable.
Date: March 25, 1919
Creator: Beyer, Daniel A.
System: The Portal to Texas History
Frame for Jaw Crushers (open access)

Frame for Jaw Crushers

Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
Date: March 25, 1919
Creator: Easton, William B. & Cole, David
System: The Portal to Texas History
Detachable Automobile Spring-Tire. (open access)

Detachable Automobile Spring-Tire.

Patent for a detachable automobile leaf spring tire. This invention would provide a tire of simple construction with leaf springs and will have a secure connection of the inner and outer tire parts.
Date: March 25, 1919
Creator: La Bauve, Lillie W.
System: The Portal to Texas History