Patent for a circular concrete form. The form is adjustable and allows nesting for storage and transport.

Patent for a new device that improves lawn mower sharpeners, including illustrations. It is a detachable device that attaches directly to the lawn mower and sharpens the blades while in use.

Patent for a spark plug with the capacity to afford an intense spark, prevent leakage of current, and to preclude fouling of the plug in carbon.

Patent for steam gauge or test cocks that provides a simple and economical gauge cock for steam boilers by which the steam can be readily tested and which is adapted to close the orifice automatically to provide a constructions which will not be disarranged in operation.

Patent for new and useful improvements in shutter regulators for moving picture machines. This invention relates to the cinematographic apparatus and more particularly to the shutter mechanism of moving picture machines which may be adjusted with ease and convenience and made secure in the located position

Patent for a semaphore in the form of a rotatable tubular post for the purpose of signaling traffic conditions at an intersection. The semaphore communicates signals in the form of red or green plates, red or green colored lamplight, and pneumatic whistles, which are triggered by vehicles passing over platforms installed on the road surface near the intersection by means of underground tubes containing chains and pulleys. The actuation of the semaphore is detailed in "parent" application, serial no. 314065.

Patent for signaling devices designed for use along railroads and grade crossings and meant to be automatically operated upon the approach of a train by giving a visible or audible signal at the crossing which will warn travelers of the approach of the train and calcuated to avoid the occurrence of accidents. The signal device includes a track associated train operated circuit closing device for energizing a bell, flashing light, or signal arm or any other equivalence or suitable signal device located at the crossing.

Patent for improvements to rural mail boxes with divided interior compartments for incoming and outgoing mail. Mail box design includes flag to signal to recipients and postman of incoming and outgoing items. Additionally the design features interior and exterior doors that can be secured with a padlock to prevent mail from being stolen or tampered with, and to shield from various weather conditions.

Patent for a molding apparatus for forming precast concrete units used for constructing monolithic straight and curved walls, floors, ceilings, and other building structures.

Patent for an attachment that can be added to a standard broom which allows the broom to function as a mop.

Patent for an electric battery. This battery is designed to be more efficient and run for a longer time, without adding water.