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6 Matching Results
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Drilling and Riveting Machine
Patent for an improved drilling and riveting machine designed designed to drill through and rivet multiple layers of materials at once.
Date:
April 8, 1919
Creator:
Schoellkopf, Jacob Fred
System:
The Portal to Texas History
Cotton-Picker.
Patent for a high-yield cotton picker that removes cotton from the bolls without damaging the plants.
Date:
April 15, 1919
Creator:
Johnson, Frank Edward
System:
The Portal to Texas History
Garbage-Can.
Patent for a spring-loaded trash can operated by a foot pedal. The device is intended for use outside in public areas.
Date:
April 15, 1919
Creator:
Jones, Arthur John
System:
The Portal to Texas History
Locking Device.
Patent for "improvements in locking devices for motor vehicle steering wheels" (lines 10-11).
Date:
April 15, 1919
Creator:
Crawford, Jesse L. & Dunlap, Jack R.
System:
The Portal to Texas History
Window Shade Roller
Patent for an improved window shade roller design.
Date:
April 15, 1919
Creator:
Revier, H. R.
System:
The Portal to Texas History
AIR REGULATING ATTACHMENT
Patent for an Air Regulating Attachment. This new invention for an air regulating attachment builds upon previous advancements to create an inexpensive air regulating attachment system, which will in turn be used to regulate engine carburetors (Oscar Kiessing).
Date:
April 21, 1919
Creator:
Kiessig, Oscar
System:
The Portal to Texas History