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Boll Breaking or Crushing Machine.
Patent for improvements to machines used for breaking or crushing cotton bolls "which will initially break the cotton bolls before the cotton with its bolls passes to the cotton gin." (lines 13-15).
Date:
October 26, 1915
Creator:
South, John T.
System:
The Portal to Texas History
Knee-Pad
Patent for knee-pads that are used for berry or cotton pickers.
Date:
May 3, 1915
Creator:
Holsey, Walter R.
System:
The Portal to Texas History
Rotary Attachment
Patent for an attachment for rotary well drilling machinery meant to "provide means for automatically gripping a pipe when being raised to prevent such pipe from slipping back while the lifting tools are being lowered for such lifting" (lines 13-17)
Date:
April 13, 1915
Creator:
Johnston, Horace G.
System:
The Portal to Texas History