UNT Libraries Government Documents Department - 7 Matching Results

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Pessary

Description: Patent for an improved uterine dilator for the application of medicine to the uterus, with illustrations.
Date: July 22, 1902
Creator: Overton, Benjamin Franklin
Item Type: Refine your search to only Patent

Radial Tube Boiler.

Description: Patent for a new and improved boiler. This design "consist[s] of a horizontal steam reservoir, a vertical cylinder provided with radial tubes suspended therefrom and forming a steam-generating chamber, all supported by standards placed underneath said horizontal steam-reservoir and outside of the casing surrounding said steam-generating chamber, and the fire-box placed under said steam-generating chamber" (lines 67-75).
Date: January 22, 1889
Creator: Clarke, John & Savage, Robert W.
Item Type: Refine your search to only Patent

Tool for Cleaning Out Nuts.

Description: Patent for a tool for cleaning out internally-threaded apertures. This removes rust and dirt from screw-threads without damaging the threads, and is much less destructive than acid baths, heat, and screw-taps.
Date: September 22, 1896
Creator: Rall, Frederick A.
Item Type: Refine your search to only Patent
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