UNT Libraries Government Documents Department - 4 Matching Results

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Artificial Tooth.

Description: Patent for an artificial tooth with an improved crown so that "it can be attached to the gold cap that has been made to fit the end of the root that is to be crowned, the manner of attaching being materially facilitated" (lines 15-19).
Date: February 27, 1894
Creator: Harrell, Hardy B.
Item Type: Refine your search to only Patent

Rotary Engine.

Description: Patent for a stably constructed and effective rotary engine in which "the full effect of live steam under a full head can be attained at all times on the drive shaft" (lines 12-14).
Date: February 27, 1894
Creator: Walker, James C.
Item Type: Refine your search to only Patent
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