UNT Libraries Government Documents Department - 10 Matching Results

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Apparatus for Transmitting Sound-Waves
Patent for transmitting sound waves by magnetic induction and to "furnish an apparatus by which these different vibrations can be heard at the receiving end" (lines 20-22). Includes descriptions and illustrations.
Bookbinding
This is a letter patent for the bookbinding invention as a means for holding books, pamphlets, catalogs, and other similar paper materials together. The purpose of this invention is to make it possible to place additional material inside the same covers, and with the original contents of a book without breaking or tearing the binding.
Cane Stripping Machine.
Patent for a new cane stripping machine, specifically for use in harvesting sugar cane grown particularly in Lousiana and Texas.
Combined Latch and Lock for Screen Doors, etc.
Patent for a combined latch and lock for screen doors and other uses. Illustration included.
Educational Souvenir.
Patent for an educational souvenir. This object is intended to educate and amuse audiences.
Oil Burner
Patent for an oil burner
Process for Producing Fibrous Material from Rice-straw
Patent for a process for producing fibrous material from rice-straw. The process was created to fiberize and use rice straw. Rice straw had little economic value but creating a process for fiberizing it might help to make this resource commercially useful.
Rotary Drill
Patent for Rotary Drill
Rotary Drill
Patent for Rotary Drill
Safety Lamp-Burner.
Patent for a safety lamp-burner, which extinguishes itself when the lamp is tipped over.
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