193 Matching Results

Search Results

Results: 1 - 24 next

Drill Bit

Description: Patent for drill bit, adapted for use in boring (or drilling) of oil wells with bit shank and enlarged head of angularly mounted rotary cutters (for outward cutting of well walls).
Date: January 3, 1922
Creator: Thomas, Martin E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Train-Order Signal.

Description: Patent for a train order signal, which prevents accidental clear signals from the semaphores by requiring the train order pad to be replaced before a signal can be given.
Date: May 18, 1909
Creator: Gates, William T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Power Plow

Description: Patent for a plow "operated by power, such as traction-engines, with which such plows may be readily connected, and which are usually so constructed as to conveniently transmit motion to the operating mechanism of the plow." (line 8-12)
Date: June 2, 1903
Creator: Parker, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Framing-Tool

Description: Patent for a framing tool designed to ease the laying of "rafters, stair carriages and the like" (lines 14-15). The tool assists in measuring proper "dimensions of cuts to be made in timber to accomplish desired construction" (lines 19-20).
Date: September 26, 1911
Creator: Whitlock, John N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seed Planter.

Description: Patent for a "seed planting machine mounted upon a wheeled frame adapted to form a furrow and drop a predetermined quantity of seed at predetermined intervals" (lines 14-19), including instructions and illustrations.
Date: August 25, 1914
Creator: Cantrell, Isaac D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety-Signal-Board Attachment.

Description: Patent for an attachment to railroad safety signal boards that holds orders for trains in a box that only opens when the danger or stop signal is raised on the semaphore. To get the clear signal, the orders must be replaced in the box or put on a clip on the outside of the box, which rings an alarm while they are there to alert the railroad operator to reset the box.
Date: February 26, 1907
Creator: Gates, William Thomas
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Horse-Detacher.

Description: Patent for a device to release horses reins in the case of the horse running away.
Date: November 12, 1907
Creator: McDanill, John Riley
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dipping-Vat.

Description: Patent for dipping vat used on live animals to remove insect infestation with a reduced risk of injury to the animal.
Date: October 18, 1919
Creator: Mullins, Thomas L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Acetylene-Gas Generator.

Description: Patent for improving an Acetylene-Gas Generator. To eliminate a check valve between the generator and the gasometer, this will purify the gas and keep siphoning off of water from occurring.
Date: September 8, 1903
Creator: Gribble, William A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Horses at Manion Ranch]

Description: Photograph of a group of horses at the Manion Ranch owned by Tommy Manion. There are four horses of varying breed and coloration. From left: auburn, auburn, palomino, roan. The horses are behind a brown pipe fence and rest their heads on the top pipe. Each horse wears a collar with a clip.
Date: unknown
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Lake Aubrey]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: January 30, 1980, 10:00 p.m.
Duration: 44 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
Back to Top of Screen