Buckthorn barbed wire is steel ribbon fencing with one smooth edge and one pointed edge; barbs are spaced at one inch intervals. T.V. Allis was issued patent 244,726, dated July 26, 1881.
Scutt arrowplate barbed wire consists of two twisted-strand wires with four point sheet metal arrow plate barbs. Each barb is split and shaped like an arrowhead. Scutt arrowplate barbed wire has patent 20500, issued June 18, 1878, by Hiram B....
Single square strand wire is wrapped with four point coil barbs at approximately half-inch intervals. This wire has patent RE 6914, issued Feb. 18, 1876, Joseph F. Glidden of De Kalb, Illinois.
