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4 Matching Results
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Manifold-Writing Tablet.
Patent for writing platform which allows for the creation of carbon copies.
Date:
April 1, 1879
Creator:
Morris, Robert, C.
System:
The Portal to Texas History
Wick Material (Illinois Patent).
Patent for wick material, "composed of raw fibrous matter in layers or slivers in adhesive substance" (lines 16-17).
Date:
July 1, 1890
Creator:
Chapin, Myron H.
System:
The Portal to Texas History
Journal-Bearing.
Patent for a journal-bearing that has an open spring ring that contains the journal and antifriciton devices in its center. The spring ring contracts to its minimum circumference when the journal and antifriciton devices are worn out. There is also a bearing-ring seat that allows contractions "without altering the disposition of the load" (lines 61-62).
Date:
December 1, 1896
Creator:
Woodworth, Charles H.
System:
The Portal to Texas History
Aqueous Dispersion of Hydrogel Nanoparticles with Inverse Thermoreversible Gelation
Patent relating to aqueous dispersion of hydrogel nanoparticles with inverse thermoreversible gelation.
Date:
December 9, 2004
Creator:
Hu, Zhibing & Xia, Xiaohu
System:
The UNT Digital Library