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3 Matching Results
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Cotton-Bur Separator.
Patent for improvements in apparatus for separating burs from cotton lint despite severe weather conditions, illustrations included.
Date:
August 20, 1918
Creator:
Irwin, Samuel D.
System:
The Portal to Texas History
Device For Cleaning Electrodes Of Make-And-Break Spark-Plugs.
Patent for improvements in cleaning the electrodes of make and break spark plugs, with an illustration and explanation.
Date:
August 6, 1918
Creator:
Irwin, H. G.
System:
The Portal to Texas History
Tank-Bottom Holder.
Patent for a tank bottom holder that allows a tank bottom to be "securely and accurately maintained in proper cooperative relation to the edge turning tool and readily manipulated in the required manner" (lines 13-17). That tank bottom holder can be adjusted to fit a variety of tank bottom sizes, and the patent includes illustrations and instructions.
Date:
August 11, 1914
Creator:
Smith, Walter O.
System:
The Portal to Texas History