Plow. (open access)

Plow.

Patent for a new and improved plow. This design consists in "[t]he combination, with a plow carriage, having a sprocket-wheel attached to the driving-wheel, and a rotary mold-board provided with a sprocket-hub having bearings in the plow-beam, of a shaft journaled upon the carriage-frame provided with toggle or universal joints, and suitable chain or belt connections for the sprocket-wheels" (lines 69-76).
Date: August 6, 1889
Creator: Kirk, Johnathan P.
System: The Portal to Texas History
Filter (open access)

Filter

Patent for "a new and improved filter which is simple and durable in construction and easily and conveniently cleaned without disturbing the gravel" (lines 13-17).
Date: November 6, 1889
Creator: Fretz, Emil & Waespi, Jacob
System: The Portal to Texas History
Plow (open access)

Plow

Patent for "an improved attachment for the mold-boards and landsides of plows, the object being to furnish a plow or similar impliment with an attachable and removable covering for the landside and mold-board, which will prevent the adhesion of soil thereto" (lines 12-18).
Date: November 6, 1889
Creator: Miles, Fredrick Alanson
System: The Portal to Texas History