UNT Libraries Government Documents Department - 43 Matching Results

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Pedal-Operating Device for Pianos.

Description: Patent for a device attaching to piano pedals "adapted for the use of children in order that they may operate the piano pedals while playing" (lines 11-13) that may be easily removed when not in use. Includes illustrations.
Date: December 28, 1915
Creator: Knight, Henry C.

Plow.

Description: Patent for improvement in plows, allowing for the adaptable use of walking or riding plows with the use of a wheel and frame with instructions and illustrations.
Date: December 28, 1915
Creator: Hildebrandt, Henry F.

Production of Chlorinated Hydrocarbons.

Description: Patent for the new and improved production of Chlorinated Hydrocarbons; "[t]his invention relates to the production of dichlorinated hydrocarbons of the ethylene series, and particularly to the production of mixtures of dichlorinated hydrocarbons containing dichlor-ethylene and dichlor-propylene from mixtures of ethylene hydrocarbons containing ethylene and propylene." (lines 13-20)
Date: December 10, 1915
Creator: Brooks, Benjamin T. & Smith, Dillon F.

Sash-Holder.

Description: Patent for "new and useful Improvements in Sash-Holders" (lines 5-6). "My invention relates to sash holders... and the object of my invention is to so change the construction of said patented sash holder as to simplify, cheapen and otherwise improve the same" (lines 13-19).
Date: December 7, 1915
Creator: Hart, Joel T.

Silo.

Description: Patent for new and various improvements in silos, the goal of which is to provide an invention that is "strong, durable, efficient and simple, and comparatively inexpensive to produce"(lines 23-25) including instructions and illustrations.
Date: December 21, 1915
Creator: Moad, John S.

Silo Construction.

Description: Patent for a new and improved silo of "simple and superior construction" (line 12) whose design is also "strong, durable, efficient, and inexpensive to produce" (lines 18-19).
Date: December 14, 1915
Creator: Harris, Andrew J.

Stove

Description: Patent for a more efficient and cost effective heating apparatus. The stove is designed for coal and similar fuel sources.
Date: December 14, 1915
Creator: Hanna, John J.

Table.

Description: Patent for improvements on table supports that enable the table to be adjusted to a raised position.
Date: December 7, 1915
Creator: Carrell, Fitchhulee & Moreau, William W.

Universal Lever

Description: Patent for a new universal lever “for the purpose of the transmission of power from any suitable source to a rod or bar, for reciprocating the rod or bar in a perfectly straight line at all times” (lines 15-18) including instructions and illustrations.
Date: December 14, 1915
Creator: Blackaller, Miguel
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