UNT Libraries Government Documents Department - 8 Matching Results

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Combined Computing Device and Weighing-Scale.
Patent for "a simple, economical, and portable combined computing and weighing scale for ordinary use so simple in its operation that an illiterate person can manipulate it with as much facility as one trained to the practical use of more complicated devices" (lines 20-25).
Combined Multiple Weight And Pendulum Scale.
Patent for certain new and useful improvements in a combined multiple weight and pendulum scale and appliance, including instructions and illustrations.
Cover or Closure For Jars.
Patent for a new and useful cover or closure for jars, including instructions and illustrations.
Design for an Insect-Exterminator.
Design patent for an insect-exterminator that consists of a circular pan and a conical lamp-body arranged centrally within the pan and projecting above the plane thereof.
Draft Attachment.
Patent for certain new and useful improvements in shaft stirrups for vehicles, including instructions and illustrations.
Marine Puzzle for Toy.
Patent for certain new and useful improvements in marine puzzles or toys, including instructions and illustrations.
Sand-Screen for Water-Wells
Patent for certain new and useful improvements in sand screens for water wells, including instructions and illustrations.
Scale.
Patent for a new and useful scale, including instructions and illustrations.
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