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7 Matching Results
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Combination Swing and Couch.
Patent for a piece of swinging furniture for infants and small children which can be converted between a seat and a couch. This device is designed to be collapsed and folded for easy storage, as well as to be cheap and easy to manufacture. Illustrations included.
Date:
February 10, 1920
Creator:
McDevitt, Leslie I.
System:
The Portal to Texas History
Compound Air-Compressor.
Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.
Date:
February 17, 1920
Creator:
Jones, Oceola
System:
The Portal to Texas History
Patent for Extracting Liquid from Pulpous Material Machine
Patent for Extracting Liquid from Pulpous Material Machine that extracts oils and liquids from the remaining pulpous material from the process of grinding and cooking cotton. The main goal of this machine is to extract oil from cotton seed meal.
Date:
February 10, 1920
Creator:
Kinney, William L. & Cagle, Wiiliam E.
System:
The Portal to Texas History
Well-Drilling Device.
Patent for adding a drilling stem to a well-drilling device, with illustration. This invention will improve operation of devices.
Date:
February 10, 1920
Creator:
Church, Walter Lee
System:
The Portal to Texas History
Window Shade
Patent for "Improvements in Window-Shades" (line 6) including illustrations.
Date:
February 10, 1920
Creator:
Johnson, Charles G.
System:
The Portal to Texas History
Drill Bit
Patent for a drill bit that can pass through the drill stem, making the process of drilling faster and easier.
Date:
February 24, 1920
Creator:
Clements, Frank L., Jr.
System:
The Portal to Texas History
Saw Filer and Gummer
Patent for adding an attachment to aid in "sharpening and gumming the teeth of circular saws particularly such saws as are used in cotton gins" (lines 13-15). The attachment works with a device for which the inventor previously received a patent. (Patent No. 1,180,270)
Date:
February 3, 1920
Creator:
McMicken, Thomas W.
System:
The Portal to Texas History