Patent for an improved camera attachment for adding titles to film that prevents the film from being exposed to light except when the title is photographed, with illustrations.
Patent for automobile fenders to provide a fender that can be used in conjunction with various types of motor vehicles and "prevent a person from being run over by the vehicle equipped with the fender" (lines 13-14).
Patent for valve changes that "provide a valve operating means whereby the valve may be very finely adjusted and prevented from being casually turned" (lines 16-18).
Patent for invention relating to the matrix molding device that is used in linotype or intertype or linecasting machines for molding printers' slugs. This invention is to provide devices by which type high printing slugs can be molded with printing surfaces of various designs.
Patent for improvements on a riveting machine that includes a moveable anvil and a clenching hammer and also increases strength, durability, and efficiency of the machine.
Patent for an improved elevator safety device that engages the brakes should the cable break or engine become inoperable to bring the elevator to a gradual stop, with illustrations.
Patent for improvements to the efficiency of trolley harps by changing how the currents that power "overhead type electric car systems" (lines 13-14) are conducted.
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