4 Matching Results

Search Results

Results: 1 - 4

Plumb-Level

Description: Patent for a plumb level that can have its stock changed.
Date: December 3, 1912
Creator: Niedergang, Antoine
Partner: UNT Libraries Government Documents Department

Hole-Straightener

Description: Patent for a hole straightener for use in drilling oil wells.
Date: December 3, 1912
Creator: Decker, Harry R.
Partner: UNT Libraries Government Documents Department

Car-Wheel Chill

Description: Patent for a car wheel chill. Illustrations included.
Date: December 3, 1907
Creator: Carr, Benjamin M.
Partner: UNT Libraries Government Documents Department

Cattle-Guard for Railroads.

Description: Patent for an improved and inexpensive railroad cattle-guard that "can be readily secured to the road-bed of a railroad, as well as easily removed therefrom, as in case of needed repair, or for other purposes" (lines 19-22). The invention provides an uneven surface for the cattle to walk on.
Date: December 3, 1895
Creator: Lee, Jacob M.
Partner: UNT Libraries Government Documents Department
Back to Top of Screen