UNT Libraries Government Documents Department - 4 Matching Results

Search Results

Gas Apparatus.: Patent for certain new and useful improvements in apparatus for manufacturing gas from air and hydrocarbon, including instructions and illustrations.
Hydrocarbon-Burning Furnace.: Patent for certain new and useful improvements in hydrocarbon burning furnaces, including instructions and illustrations.
Motor: Patent for a new type of motor. The aim of this new type of motor is to use head and cold to expand and contract the bar used to apply power.
Sash-Fastener.: Patent for an improvement in sash fasteners for window attachments. The patent allows the window to be opened without counterbalances and also keeps the window from being opened from outside.