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Record-Book.

Description: Patent for a record book using primary and secondary indexing tabs for improving classification of documents.
Date: December 17, 1918
Creator: Sumners, Gustavus D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway Rail Tie.

Description: Patent for a new and improved railway-rail tie. This design consists "of a railway-rail tie provided with a transverse recess, projection, the transverse slots, and the apertures leading from the recesses to the slots, the retaining-blocks fitting in the apertures, and keys working in the slots and adapted to press the retaining-blocks against the flange and web of the rail" (lines 71-78).
Date: December 17, 1889
Creator: Jones, Richard
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Fan

Description: Patent for mechanical improvements in "automatic fans intended especially for use on beds, whether in houses or in sleeping-cars" (lines 7-9).
Date: December 17, 1889
Creator: Comminge, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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