Patent for a new and improved coupling for railroad cars. This design consists in "[t]he combination, in a coupling for air-brakes, of the movable arm having the recess or socket, and the pivoted arm having the shoulder or offset adapted to fit the recess and provided with the [other] arm to direct the said shoulder or offset to the said recess when the coupling-arms come together, the said shoulder and recess forming the terminals of the air-pipes at the ends of the cars" (lines 92-100).

Patent for a new and improved spring motor. This design consists in "[t]he combination of a motor with a drum attached to one of its shafts . . . the spring which bears upon the stop and which is rigidly secured to the frame at its outer end, the stop being pivoted . . . [and] a rod provided with a cone bearing laterally against said spring for increasing or decreasing the friction of the spring against the drum" (lines 73-84).