UNT Libraries Government Documents Department - 33 Matching Results

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Roof-Climber.

Description: Patent for a roof climber for use by workers on roofs that allows them to stand supported by it or sit on it and have their weight equally distributed
Date: November 8, 1910
Creator: Wilkerson, Thurston A.
Item Type: Refine your search to only Patent

Measuring Instrument.

Description: Patent for caliper style measuring instrument which may be used as a micrometer. This measuring instrument features legs that may be used for measuring the inside or outside dimensions of an object.
Date: October 23, 1917
Creator: Taylor, Albert J.
Item Type: Refine your search to only Patent

Spring Wheel

Description: Patent for a form of tire designed in such a way to avoid the dangers of a punctured tire. This is done by an arrangement of crossing springs used to support the outer wall of the tire instead of inflatable medium.
Date: June 3, 1913
Creator: Dwiggins, R, Sam & Kelley, E, Lawrence
Item Type: Refine your search to only Patent

Separator-Guard.

Description: Patent for a separator-guard for spinning frames. It prevents "the yarn from being entangled in or caught by the devices for attaching the separators to their support" (lines 15-17). Illustrations included.
Date: July 5, 1912
Creator: Pitts, Arthur
Item Type: Refine your search to only Patent

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.
Item Type: Refine your search to only Patent

Envelop.

Description: Patent for an envelope "whereby the cutting device acts as a partial ejector for the letter" (lines 12-13), including illustrations and instructions.
Date: December 1, 1914
Creator: Donaldson, James Macon
Item Type: Refine your search to only Patent

Water Tank and Filter.

Description: Patent for water tank and filter that is cost effective for filtering rainwater or hydrant water. The water tank and filter are designed so that the filter can be removed or moved easily around the tank.
Date: September 7, 1915
Creator: Wilkerson, Charles J.
Item Type: Refine your search to only Patent

Latch

Description: Patent for improvements to latches for swinging gates and doors and provide a method of opening the latch from either side of the gate.
Date: November 24, 1914
Creator: Hilder, Volny R.
Item Type: Refine your search to only Patent

Step-By-Step Elevator.

Description: Patent for an invention relates to a new and useful step-by-step elevator. Its object is broadly stated to provide means for ascending or descending from one of a building to another.
Date: October 27, 1914
Creator: Barrett, Eli B.
Item Type: Refine your search to only Patent

Subsoiler.

Description: Patent for improvements to subsoilers "to provide a subsoiler which has a plurality of pivoted points which will merely loosen the under soil so that same may retain a large amount of moisture, and will not turn the under soil over" (lines 10-15).
Date: March 24, 1914
Creator: Aydlott, James M.
Item Type: Refine your search to only Patent

Hinged Connection

Description: Patent for a simply designed, durable, and inexpensively produced hinged connection between any swinging item (i.e., door) and non-swinging item (i.e., door jam).
Date: April 13, 1915
Creator: Coleman, Paul H.
Item Type: Refine your search to only Patent

Reed-Organ.

Description: Patent for "a removable attachment for a reed organ or harmonium, to be placed upon the wind chest either the tremble or bass end of the keyboard, or at both ends..." (lines 8-12) including illustrations and instructions.
Date: December 30, 1913
Creator: Rue, Oliver H.
Item Type: Refine your search to only Patent

Resilient Wheel

Description: Patent for an improved automobile spring wheel that has an auxiliary tread and is separate from the spokes, so that it adds cushioning to the spokes.
Date: March 23, 1916
Creator: Luttrell, William J.
Item Type: Refine your search to only Patent
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