Patent for improvement to the machine set forth in the patent granted to John S. Doak and Alexander G. Farrington on April, 1902, No. 696419. (Page 1, lines 12-14.) The improvements are to use “a pair of troughs connected to a truck and provided with upwardly-projecting wings on their outer edges, spring-arms attached to the truck and pressing normally against the wings and the outside parts of the troughs, spiral springs adjustably mounted on the truck and pressing against the spring-arms, and means for forcing insects from growing plants into the troughs.” (Page 3, lines 74-83.) Illustration is included.

Patent for an indicating attachment for gas tanks on cars.

Patent for door check holder for preventing doors from slamming and holding them in open position. Illustrations included.