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Description: Patent for an improved rotary airplane engine patterned after the Gnome type with extra blades attached to the engine cylinders.
Date: March 25, 1913
Creator: Decker, Harry R.


Description: Patent for a more efficient air compressor with high and low pressure chambers formed of mating sections that can be detached to make repairs to the piston as necessary.
Date: April 1, 1913
Creator: Murphy, Edward


Description: Patent for a composite rock drill composed of granular metal or minerals held together in a binder to present sharp points for the efficient drilling of rock and other substances.
Date: April 1, 1913
Creator: Blackburn, Julian E.

Loose-Leaf Binder

Description: Patent for new loose leaf binder to help carry leaf support and means for separating the members and displacing one longitudinally relation with the other.
Date: October 30, 1917
Creator: Moody, Jason B.

Saw Gage and Filing Clamp

Description: Patent for a combined saw gage and clamp which can be "applied to a saw blade to gage the depth of the cut as well as reversed and used as a clamp for the saw blade in setting the teeth" (lines 16-18).
Date: April 1, 1913
Creator: Curby, George W.

Floor-Sweeping Compound

Description: Patent for an improved floor-sweeping compound which changes the traditional woody filler with a less flammable and more absorbent mineral wool filler.
Date: April 1, 1913
Creator: Boddeker, James A.; Stratford, John E. & Sealy, George

Stenographic-Writing Means

Description: Patent for improvements in stenographic-writing (typewriting). The object of the invention being "to provide a keyboard comprising keys to cooperate with suitable printing means, and to so arrange said keys...to facilitate the speed at which the writing can be accomplished" (lines 14-20).
Date: April 1, 1913
Creator: Ireland, Ward S.

Osteopathic Table

Description: Patent for improvements in Osteopathic Tables by adding mechanical parts to facilitate ease of movement and manipulation of the human body for "correcting and curing physical irregularities of the spine and ribs" (lines 19-20), includes instructions and illustrations.
Date: May 20, 1913
Creator: Sherwood, L. Walker

Cactus Burner.

Description: Patent for a cactus burner that burns spines off of cacti using a liquid fuel burner. Document explains the different parts of the cactus burner and why it is an improvement over current ones in use.
Date: April 15, 1913
Creator: Ploch, Alex

Carbureter-Regulating Mechanism.

Description: Patent for improvements in carbureter-regulating mechanism by "automatically regulate the air and fuel valve of a carbureter, according to the speed of the engine and the load being carried thereby" (lines 12-15, p.1.) Illustration is included.
Date: October 21, 1913
Creator: Carpenter, John C.


Description: Patent for improvement in grading machines in which the speed of the drum, the speed of the drive wheels and the distance of the axis of the drive wheels can all be adjusted. Illustration is included.
Date: October 14, 1913
Creator: Foley, Charles H.

Can Spout.

Description: Patent for "new and useful improvements in stoppers and discharge spouts for cans, or receptacles more particularly to cans employed in shipping kerosene oil, cotton seed oil, turpentine syrups and various other liquids." (lines 10-15).
Date: March 25, 1913
Creator: Herblin, William Leonard

Cotton-Saw Gummer

Description: Patent for improvements to cotton saw gummers. The patented improvements include a cutter rather than a puncher in the gummer's design, as well as means for adjusting the cutter.
Date: September 2, 1913
Creator: Nelson, De Witt C.


Description: Patent for improvements to cultivators that allow the driver to adjust displacement in order to avoid obstacles without changing the path of operation.
Date: September 23, 1913
Creator: Foster, John H.