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in subjects: "cattle-guards"  
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Surface Cattle Guard.

Description: Patent for a new and improved surface cattle-guard. This design "compris[es] a series of parallel triangular bars tapered at their ends and provided with lateral perforated horizontal flanges, the plates to which said flanges are secured, the cross-tie supports, and the solid plank flooring upon which said ties rest, said flooring being some distance below the guard-bars" (lines 55-62).
Date: September 20, 1892
Creator: Berry, John S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cattle-Guard.

Description: Patent for a railway cattle-guard that is simple, inexpensive, and efficient. It prevents the cattle "from traversing a railway-track in order to pass form one field or inclosure to another" (line 12-14). It has spurred rollers, and has a unique way of mounting rollers or rotary ties, in that they do not block the track.
Date: January 5, 1897
Creator: Nevill, William Birt
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cattle Guard

Description: Patent for a cattle guard. This cattle guard is a useful improvement in use on railway-tracks.
Date: September 15, 1903
Creator: Frownfelter, George C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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