Texas Patents - 2 Matching Results

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Manufacture of Hydraulic Cement and Lime.

Patent for improvement in“the manufacture of hydraulic cement or lime form rotten or decomposed limestone” (lines 66-68).

Date: February 8, 1881

Creator: Dimelow, John

Item Type: Patent

Partner: UNT Libraries Government Documents Department

Letter Tie.

Patent for a new and improved clasp for letters. This design calls for wire or sheet metal to be shaped into a suitable size and shape for letters, including tabs on the ends to snap together to fasten the letters. This eliminates the need for twine or string, which reduces the flammability of the packages.

Date: May 3, 1881

Creator: Price, James N.