Texas Patents - 2 Matching Results

Search Results

Plow.

Description: Patent for improvements in plows by using “a double-mold-board plow comprising a plow-point provided with a shank, whose reverse inclines are slightly convex from the upper end of the shank to the plow-point, in combination with two mold-boards that are concavo-convex in cross-section as well as in longitudinal or vertical section” (p. 2, lines 44-50). The described construction of plow would enable the plow to thoroughly broken up the soil. Illustration is included.
Date: September 15, 1891
Creator: Rutherford, John W.
Partner: UNT Libraries Government Documents Department

Telephone-Transmitter.

Description: Patent for "a simple transmitter in which the greatest volume of sound may be transmitted without causing grating or rattling." (Lines 8-11) Includes instructions and illustrations.
Date: June 15, 1897
Creator: Alexander, Horace C.
Partner: UNT Libraries Government Documents Department