UNT Libraries Government Documents Department - 6 Matching Results

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Cultivator: Patent for a cultivator designed so that the plows can be conveniently set to any pitch as needed for deep or shallow plowing. Illustrations included.
Jar.: Patent for a jar for thick semi-liquids such as mustard, which has a discharge spout in the side that allows the contents to be used without taking off the lid of the jar.
Mattress Making Machine: Patent for a mattress making machine. Illustration included.
Oil-Burner: Patent for an oil burner for refined oil which vaporizes all the oil put into the burner.
Oil-Burner.: Patent for an oil-burner, which can be turned on and off with a single switch.
Trolley-Pole.: Patent for a trolley pole, which attaches easily to the wire and can be placed on it by the operator without him leaving his station on the trolley.