2,097 Matching Results

Search Results

Advanced search parameters have been applied.

Mail-Box

Description: Patent for "a mail-box adapted to be placed at or on the house of the person receiving the mail, so as to facilitate a house-to-house delivery" (lines 8-11).
Date: June 4, 1901
Creator: Myer, Clayton Pittinger
Partner: UNT Libraries Government Documents Department

Engine Valve Mechanism

Description: Patent for an engine valve mechanism. This invention is a "class of steam engines wherein the cylinder-inlet and exhaust-ports are controlled by separate and distinct values." Illustration included.
Date: September 5, 1905
Creator: Moore, Ezra G. & Moore, Frank T.
Partner: UNT Libraries Government Documents Department

Rail Plate And Fastener

Description: Patent for rail plate fastener. This invention is designed to secure rails to ties without the use of spikes. Illustration included.
Date: June 21, 1904
Creator: Butterfield, Walter V.
Partner: UNT Libraries Government Documents Department