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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (category = 'Crossarm') ORDER BY date ASC, patent, type

Total of 13 patents found where: Category is 'Crossarm';

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T / S Patent Date Description Patentee Category Assigned To
 1895
U 539,123 May 14, 1895 Cross Arm for Carrying Electrical Wires
Angle iron crossarm with wood support for insulator pins		 ECKERT, Thomas T.
 Crossarm  
 1898
U 600,397 March 8, 1898 Arm for Telegraph Poles
Crossarm for multiple pins		 ANDERSON, Lee
 Crossarm 1/2 to Wallace B. Howard and Alex Staggs
 1905
U 804,630 November 14, 1905 Support for Pole Crossarms
Metal bracket to attach a wooden crossarm to the pole and to prevent the crossarm from moving up or down from horizontal and eliminate the need to mortise the pole.		 SHORT, Edward C.
 Crossarm  
 1906
U 809,743 January 9, 1906 Crossarm for Carrying High-Tension Wires
Crossarm and insulators made of glass or other insulating material		 PETERY, Evan E. P.
 Crossarm 1/2 to Samuel Bowsher
U 838,537 December 18, 1906 Cross Arm for Electrical Construction
Steel crossarm with threaded pins on top and threaded holes underneath for hooks		 HAMILTON, Evlyn S.
 Crossarm  
 1908
U 884,142 April 7, 1908 Insulator
Cylindrical insulator with spiraling ribs to screw insulator into crossarm, center groove to hold line wire, external grooves to carry water away and drip points or serrations to allow water to drip down		 FOREMAN, Ernest Jay
 Crossarm  
 1912
U 1,029,207 June 11, 1912 Insulator Support
Crossarm composed of reinforced concrete		 MEGAHAN, Oliver P.
 Crossarm  
U 1,032,715 July 16, 1912 Insulator
Crossarms formed from metal pipe with insulators molded on the metal pins		 WALKER, Oral B.
 Crossarm  
U 1,047,176 December 17, 1912 Cross Arm
Crossarm stamped out of sheet metal and easy to install		 CRABTREE, Lawrence L.
RIPLEY, T. Charley
 Crossarm  
 1916
U 1,173,418 February 29, 1916 Pole Cross-Arm
Metal pole crossarm with curved bracket that can be bolted to the pole		 ETTE, Charles G.
 Crossarm St. Louis Malleable Casting Co.
U 1,175,077 March 14, 1916 Sheet Metal Pole Arm
Crossarm made of sheet metal.		 PEIRCE, JR., Charles L.
 Crossarm  
U 1,199,972 October 3, 1916 Pole-Arm
A metal crossarm that can be bolted to a wooden pole		 ETTE, Charles G.
 Crossarm St. Louis Malleable Casting Co.
 1918
U 1,257,769 February 26, 1918 Telephone Pole Cross Arm
Crossarm made of U-shaped metal channel iron fitted with knob insulators bolted to the crossarm. A lower crossarm is then bolted on its ends to the upper crossarm.		 VINCELL, Lafayette M.
 Crossarm  

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