Resource Type

1,610 Matching Results

Results open in a new window/tab.

Cotton-Chopper Attachment for Cultivators. (open access)

Cotton-Chopper Attachment for Cultivators.

Patent for improvements in cotton chopping attachments for cultivators that is relatively inexpensive that is highly useful in chopping and plowing cotton plan.
Date: July 27, 1920
Creator: Martin, William A. & Roebuck, Mathew P.
System: The Portal to Texas History
Wild Well Control (open access)

Wild Well Control

Patent for a device to help get oil or gas wells back under control from a distance if they have developed excessive gas pressure which may cause fluid to blow out of the well or fires.
Date: July 11, 1933
Creator: Whitwam, Wallace W.
System: The Portal to Texas History