UNT Libraries Government Documents Department - 161 Matching Results

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Description: Patent for a new and improved can opener. This design "consists of can-opener comprising a blade or cutter vertically adjustable to allow it to be forced into a can-head to be cut" (lines 34-36).
Date: August 9, 1898
Creator: Connett, Matthew F.

Composition Pulp Plaster and Process of Manufacturing Same.

Description: Patent for "a composition pulp plaster designed as a substitute for ordinary lime-plaster and equivalent materials and particularly adapted for use in warm moist climates, where the ordinary lime-plaster lacks durability and is rendered non-adherent. A further objective of the invention is to provide a cheap substitute for plaster which will be not only waterproof, but also fireproof and gas-proof or practically impervious to air" (lines 9-18). It includes instructions for manufacturing the plaster with various proportions of the ingredients depending on the purpose.
Date: May 9, 1899
Creator: Blake, David H. & Ray, Jeramiah P.


Description: Patent for a new and useful door hanger. This invention is to "provide a simple and inexpensive device so constructed as to avoid dismounting and at the same time enable a door, window, or an equivalent device to be operated with the minimum friction" (line 9-13).
Date: December 21, 1897
Creator: Masterson, Bernard W.


Description: Patent for certain new and useful improvements in lanterns, including instructions and illustrations.
Date: October 25, 1898
Creator: Cadwallader, Aldes H. & Carolan, Eugene P.