Patent for an automatic weighing-scale meant to be connected to a pneumatic conveyer to weigh cotton, grain, or other products. The invention weighs "any amount to which its scale may be set, and then cutting off the supply and emptying itself, when it may be reset, preferably by hand, to repeat the weighing operation" (lines 18-22).

Patent for an improved combined automatic vending and money changing machine. It has "a locking mechanism constructed to lock said article and change-delivery mechanisms when a coin inserted by a purchaser is of less value than the article desired by him, and [a] mechanism for unlocking both of said delivery mechanisms while the purchaser's said coin remains in the machine and adjusting bot of said delivery-mechanisms to thereafter deliver an article corresponding to the value of said coin" (line 1-10).

Patent for a fare box and change maker mean to improve on fare-receivers and automatic change-makers that "automatically deliver the correct change to a passenger or other person, who deposits in the machine a coin of greater value than is the regulation fare" (lines 16-19).

Patent for a grease trap "in which the grease is designed to be removed from the trap automatically and the object of my invention is to cause the water passing through the trap to carry the grease out with it" (lines 8-12).