Aircraft Propelling and Manipulating (open access)

Aircraft Propelling and Manipulating

Patent for air craft propelling systems for improvements in control of the aircraft by way of a "universal connection" (Lines 13-14) which makes for easier manipulation of the craft and aids in the prevention of air disasters.
Date: December 23, 1919
Creator: Schelb, Peter J.
System: The Portal to Texas History
Apparatus for Curing Tire Casings. (open access)

Apparatus for Curing Tire Casings.

Patent for a more efficient system for curing tire casings. The new patented apparatus was capable of providing both smooth and ribbed tire textures by way of aluminum tips and molds. Additionally, the apparatus provided retreading and faster curing of pneumatic tires.
Date: December 2, 1919
Creator: Bongio, Philip P. & Stephenson, Elonzo
System: The Portal to Texas History
Indicator for Vehicles. (open access)

Indicator for Vehicles.

Patent for a device for vehicles which can signal turns and stops. Designed to be used in place of the driver's hand, this device consists of indicator arms mounted of either side of a vehicle and button controls placed near the driver's seat. Illustrations included.
Date: December 30, 1919
Creator: Hutchison, William F., Sr.
System: The Portal to Texas History
Wire-Working Machine. (open access)

Wire-Working Machine.

Patent for improvements in Wire-Working Machines that forms hangers for "coats, trousers, and other clothing" (lines 11-12). Provides a more inexpensive, faster, and more accurate machine that uses less power, includes illustrations.
Date: December 16, 1919
Creator: Shelton, John F.
System: The Portal to Texas History
Screen-Hanger. (open access)

Screen-Hanger.

Patent for more accessible window screen hangers. The inventors claimed that these improved screen hangers eliminated the challenge of hanging window screens on the exterior of tall buildings. These screen hangers allowed customers to hang, adjust, and clean screens from the inside of buildings.
Date: December 9, 1919
Creator: Agee, Howard L. & Agee, Sidney A.
System: The Portal to Texas History
Molding Device (open access)

Molding Device

Patent for the improvement of multi-pieced molds through the introduction of a gate and tube that allows for rapid coring of a mold.
Date: December 2, 1919
Creator: Hawkins, Alda F.
System: The Portal to Texas History