11 Matching Results
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11
Maize-Header.
Patent for simple and efficient maize header which is easy to operate by positioning it in a way that it needs minimum effort to operate.
Date:
May 17, 1921
Creator:
Jordan, Andrew P.
System:
The Portal to Texas History
Cotton-Cultivator.
Patent for an improved cultivator used for tillage when the plows are not in the ground. The cultivator can also lighten the heaviness felt by the operator while the plow is being used.
Date:
May 17, 1921
Creator:
Barnett, James Samuel
System:
The Portal to Texas History
Holder for Dental X-Ray Films.
Patent for dental X-Ray holders that securely hold the film in place and categorize the X-Rays into series that comprise views of the whole mouth.
Date:
May 17, 1921
Creator:
Martin, James Madison
System:
The Portal to Texas History
Plastic Base for Poles.
Patent for a plastic base for poles which aims to lengthen the life of the average pole and enable the use of poles of shorter lengths.
Date:
May 17, 1921
Creator:
Hoyle, Millard F.
System:
The Portal to Texas History
Gradometer.
Patent for a gradometer "which will accurately indicate under the most varying and unstable conditions the inclination and declination at which any moving body is traveling" (lines 10-13). The gradometer is "particularly adapted for use on motor vehicles" (lines 15-16).
Date:
May 17, 1921
Creator:
Hall, Sidney Wilson
System:
The Portal to Texas History
Wheel-Operated Lift Mechanism
Patent for a wheel operated lift mechanism designed for agricultural implements with wheels which can raise the frame of the agricultural implement for easy access to the wheel. This tool is adjustable to raise or lower the frame for easy access to the wheel to disconnect it.
Date:
May 17, 1921
Creator:
Altgelt, Herman E.
System:
The Portal to Texas History
Guide for Drive-Chains.
Patent for a mechanism designed to prevent a guide chain from being displaced from the wheel(s) of its parent machine.
Date:
May 17, 1921
Creator:
Johnston, Horace G.
System:
The Portal to Texas History
Draft Attachment for Motor-Vehicles.
Patent for a draft attachment by which a motor vehicle may "pull itself free when its traction wheels have become embedded in a soft or muddy road" (lines 14-16).
Date:
May 17, 1921
Creator:
Worsham, Louis W.
System:
The Portal to Texas History
Steering Attachment.
Patent for a steering attachment that keeps the steering wheels of a motor driven vehicle straight. This device is simple and relatively inexpensive, among other advantages.
Date:
May 17, 1921
Creator:
Huffman, Orla L.
System:
The Portal to Texas History
Toupee and Wig Retainer
A patent for a single-sided adhesive that holds a toupee or wig in place on the scalp without causing built-up residue to adhere to the wig.
Date:
May 17, 1921
Creator:
Tapscott, John Christoper
System:
The Portal to Texas History
Washing-Machine.
Patent for a mechanized dolly to improve washing machine functionality and efficiency.
Date:
May 17, 1921
Creator:
Huffman, Orla L.
System:
The Portal to Texas History