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Folding Wagon-Box Step (open access)

Folding Wagon-Box Step

Patent for a new and useful folding wagon-box steps. This design is to "provide a novel, simple, and safe device of the character indicated which is adapted for compact and convenient folding into a close package when not in use" (line 11-14).
Date: January 25, 1898
Creator: Brown, Marvel C.
System: The Portal to Texas History
Monodisperse Thermo-Responsive Microgels of Poly(Ethylene Glycol) Analogue-Based Biopolymers, their Manufacture, and their Applications (open access)

Monodisperse Thermo-Responsive Microgels of Poly(Ethylene Glycol) Analogue-Based Biopolymers, their Manufacture, and their Applications

Patent relating to monodisperse thermo-responsive microgels of poly(ethylene glycol) analogue-based biopolymers, their manufacture, and their applications.
Date: July 14, 2009
Creator: Hu, Zhibing; Cai, Tong; Chi, Chenglin & Marquez, Manuel
System: The UNT Digital Library
Metal Hydroxide Derivatives Containing Chemically Bound Organophosphorus or Polyphosphate Species as Flame Retardants (open access)

Metal Hydroxide Derivatives Containing Chemically Bound Organophosphorus or Polyphosphate Species as Flame Retardants

Patent relating to metal hydroxide derivatives containing chemically bound organophosphorus or polyphosphate species as flame retardants.
Date: November 15, 2002
Creator: Braterman, Paul S.; D'Souza, Nandika & Dharia, Amit
System: The UNT Digital Library
Synthesis, Uses and Compositions of Crystal Hydrogels (open access)

Synthesis, Uses and Compositions of Crystal Hydrogels

Patent relating to the synthesis, uses and compositions of crystal hydrogels.
Date: November 15, 2002
Creator: Hu, Zhibing; Lu, Xihua; Gao, Jun; Cai, Tong; Huang, Gang & Zhou, Bo
System: The UNT Digital Library
Escherichia Coli CSRB Gene and RNA Encoded Thereby (open access)

Escherichia Coli CSRB Gene and RNA Encoded Thereby

Patent regarding the synthesis, uses and compositions of crystal hydrogels.
Date: November 15, 2002
Creator: Hu, Zhibing; Lu, Xihua; Gao, Jun; Cai, Tong; Huang, Gang & Zhou, Bo
System: The UNT Digital Library
Seed Planter. (open access)

Seed Planter.

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.
System: The Portal to Texas History
Seed Chute Valve Mechanism (open access)

Seed Chute Valve Mechanism

Patent for a new seed chute valve mechanism with illustrations and instructions.
Date: August 25, 1914
Creator: Cantrell, Isaac D.
System: The Portal to Texas History
Open Fire-Place (open access)

Open Fire-Place

Patent for improvements to an open fireplace making the different sections of the fireplace detachable and replaceable individually. Patent granted to Daniel E. Jones.
Date: September 25, 1885
Creator: Jones, Daniel E.
System: The Portal to Texas History