Graphene Magnetic Tunnel Junction Spin Filters and Methods of Making (open access)

Graphene Magnetic Tunnel Junction Spin Filters and Methods of Making

Patent relating to methods of forming a few molecule thick graphene layer on a ferromagnetic layer, at temperatures and conditions consistent with integration with silicon-based complementary metal oxide semiconductors (Si CMOS).
Date: May 25, 2012
Creator: Kelber, Jeffry A. & Zhou, Mi
System: The UNT Digital Library
Churn (open access)

Churn

Patent for a churn having two dashers for reciprocation.
Date: February 15, 1915
Creator: Jarnigan, Thomas J.
System: The Portal to Texas History
Milling-Machine. (open access)

Milling-Machine.

Patent for a milling machine that executes thorough removal of dirt and other substances.
Date: February 3, 1914
Creator: Lakey, William Ray.
System: The Portal to Texas History
Muzzle (open access)

Muzzle

Patent for a muzzle designed for horses. Illustration included.
Date: February 22, 1910
Creator: Lipscomb, James H.
System: The Portal to Texas History
Process of Skinning Fruit. (open access)

Process of Skinning Fruit.

Patent for skinning fruit chemically without the use of Alum to avoid harmful health effects resulting from Alum residue on fruit.
Date: February 5, 1907
Creator: Thompson, Jovita Boyd
System: The Portal to Texas History
Safety-Signal-Board Attachment. (open access)

Safety-Signal-Board Attachment.

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
System: The Portal to Texas History
Horse-Evener. (open access)

Horse-Evener.

Patent for a horse-evener that allows for 4 or 5 horses to be used.
Date: February 5, 1907
Creator: Wendland, Carl
System: The Portal to Texas History
Instrument, System and Method for Automated Low Cost Atmospheric Measurements (open access)

Instrument, System and Method for Automated Low Cost Atmospheric Measurements

Patent relating to an instrument, system and method for automated low cost atmospheric measurements.
Date: May 11, 2006
Creator: Acevedo, Miguel F.; Waller, William T. & Nebgen, Gilbert B.
System: The UNT Digital Library
Bill File. (open access)

Bill File.

Patent for a new and improved bill file. This design "is to provide a cheap and simple file, upon which the papers may be strung and from which they may be removed with the least amount of trouble, and which is adapted to be locked to securely retain the papers thereon in such manner that they are readily accessible for inspection. To this end [the design] provide[s] . . . a wire loop having ends adapted to lap, fit snugly, and lock the one upon the other, and which may be opened for the ready reception and removal of papers, said loop being fitted to turn or swivel about an axis" (lines 11-23).
Date: February 4, 1890
Creator: Seaman, Milton L. B.
System: The Portal to Texas History
Muzzle. (open access)

Muzzle.

Patent for a muzzle for horses that can be easily applied. It prevents the animal from eating while its head is upright, and opens while the horse lowers its head to graze. This prevents the horse from damaging orchards.
Date: February 5, 1895
Creator: Lipscomb, Cicero D.
System: The Portal to Texas History
Suspension-Bridge. (open access)

Suspension-Bridge.

Patent for a suspension-bridge “which will permit the main cable to expand and contract in different temperatures without materially affecting the principal parts and causing them to become displaced by reason of the slack of increased camber” (line 24-29, p.1), illustration is included.
Date: February 10, 1891
Creator: Runyon, Edwin Elijan
System: The Portal to Texas History
Seed planter. (open access)

Seed planter.

Patent for the improvement of seed planters, according to the inventor, "by providing the hopper of the same with regulating devices, whereby the seed may be planted in desired quantities and at desired intervals".
Date: February 9, 1886
Creator: Ratliff, John W.
System: The Portal to Texas History
Draft-Equalizer (open access)

Draft-Equalizer

Patent for an improved three-horse equalizer for draft horses.
Date: February 20, 1883
Creator: Kerby, George M.
System: The Portal to Texas History
Cotton-Handling Device. (open access)

Cotton-Handling Device.

Patent for "an apparatus for elevating and distributing cotton from wagons or other receptacles and feeding the same to cotton-gins or storage-bins." (Lines 9-12) Includes instructions and illustrations.
Date: August 27, 1891
Creator: Moffitt, William E.; Williams, James L. & Bennett, Levi W.
System: The Portal to Texas History