Automatic Electric Advertising Sign (open access)

Automatic Electric Advertising Sign

Patent for an electronic sign that works by a conveyor-belt like band printed with advertisements being rotated, allowing the owner to show many advertisements while saving space.
Date: July 1, 1919
Creator: Craig, Richard M.
System: The Portal to Texas History
Adjustable Book-Cover. (open access)

Adjustable Book-Cover.

Patent for adjustable book covers. More protection with use of thicker paper, with adjustable feature is highly important as is also the slit and tongue.
Date: July 1, 1919
Creator: Walraven, Albert T.
System: The Portal to Texas History
Clothes-Rack. (open access)

Clothes-Rack.

Patent for "a new and improved clothes rack, adapted to be carried in one's pocket," (lines 8-10) including instructions and illustrations.
Date: July 1, 1919
Creator: Walling, Carl H.
System: The Portal to Texas History
Vehicle (open access)

Vehicle

Patent for a vehicle that can carry heavy loads and can turn around in a small space and can turn easily on a crooked road.
Date: July 1, 1919
Creator: Menning, Otto H.
System: The Portal to Texas History
Locomotive-Headlight (open access)

Locomotive-Headlight

Patent for a locomotive headlight in which its illuminating lights are placed directly ahead by a means of better support.
Date: July 1, 1919
Creator: Moody, Calvin D.
System: The Portal to Texas History
Machine for Cleaning Pipe-Lines (open access)

Machine for Cleaning Pipe-Lines

Patent for a machine for cleaning pipe-lines. The machine uses the pipeline as a track, traveling along the track cleaning the pipeline.
Date: July 1, 1919
Creator: Kinzbach, Frank
System: The Portal to Texas History
Wheel-Tread (open access)

Wheel-Tread

Patent for improved wheel treads specifically for assisting motorists trapped in mud, sand, or the like.
Date: July 1, 1919
Creator: Wheat, Levi M.
System: The Portal to Texas History
Spring-Clip Tool. (open access)

Spring-Clip Tool.

Patent for "putting back spring or axle clips where the clip is slightly bent and difficult to replace by hand, the tool serving as a convenient means for bending and forcing the clip in place without injuring the threads thereon" (lines 19-23), with illustrations.
Date: July 1, 1919
Creator: Stark, Gara Roscoe
System: The Portal to Texas History
Manufacture of Aluminum Chlorid (open access)

Manufacture of Aluminum Chlorid

Patent for the manufacture of aluminum chlorid and the method of making aluminum chlorid to produce vapors that are subsequently condensed in any suitable manner. This patent is important because it is advantageous to work with a producer of gas made at as high a temperature. This is because of the greater amount of sensible heat it carries forward for use in the reaction.
Date: July 1, 1919
Creator: King, George H.
System: The Portal to Texas History
Safety-Crank (open access)

Safety-Crank

Patent for a new Safety-Crank for starting auto vehicle engines, which is capable of effectively imparting the necessary forward movement to an engine for starting, but having means conjoined with it, whereby it will be automatically released from positive engagement with the starting shaft on any retrograde movement of the engine.
Date: July 1, 1919
Creator: Farley, Bert T.
System: The Portal to Texas History
Mote-Board for Cotton-Gins (open access)

Mote-Board for Cotton-Gins

Patent for mote boards for cotton gins that throw off bolls, leaf, trash, dust, along with other foreign material
Date: July 1, 1919
Creator: Wooldridge, James L.
System: The Portal to Texas History