3 Matching Results

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Single Reflective Optical Element for Interference Lithography (open access)

Single Reflective Optical Element for Interference Lithography

Patent relating to optical elements for use in interference lithography.
Date: August 1, 2014
Creator: Lin, Yuankun; Lutkenhaus, Jeffrey & George, David
System: The UNT Digital Library
Metal-Cutting Shears. (open access)

Metal-Cutting Shears.

Patent for simple and effective metal-cutting shears that cuts hot or cold metals. The shears are mounted on a frame, and a hand-operated lever forces the upper shear down.
Date: November 20, 1894
Creator: Autrey, Benjamin P.
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