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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '313') AND (category.subclass = '351') ORDER BY date ASC, patent, type

Total of 8 patents found where: Class is '313'; Subclass is '351';

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T / S Patent Date Description Patentee Category Assigned To
 1880
R 9,484 November 30, 1880 Telegraph Insulator
Hook with metal case secured to crossarm (see 75,889)
FINN, John L.
Hook Amzi S. Dodd and Chinnock Electric Co.
 1882
U 262,210 August 8, 1882 Combined Insulator, Lightning arrester, and Connector
Combined insulator, lightning arrestor and connector
ECKERT, William
ECKERT, Edward
SEELY, John
Lightning Arrestor  
 1883
U Specimen known 289,890 December 11, 1883 Telegraph and Telephone Conductor
Lightning rod insulator system to protect telephone lines from cross talk
CHAMBERS, Josephus C.
Lightning Rod Insulator Vine, Jackson, Gridley
U 289,891 December 11, 1883 Telegraph and Telephone Cable
Lightning rod insulator system to protect telephone lines from cross talk
CHAMBERS, Josephus C.
Lightning Rod Insulator Vine, Jackson, Gridley
 1887
U Specimen known 357,050 February 1, 1887 Lightning Protector for Electrical Conductors
Barbed wire as a conductor for lightning protection placed above the electrical conductors on poles
VAIL, Jonathan H.
Lightning  
 1900
U 652,861 July 3, 1900 Overhead Wire Lightning Protector
Lightning rod with multiple points (see 637,282) (see reissue 11,759)
POCHE, Joseph Arthur
Lightning Rod Point  
 1908
U 883,303 March 31, 1908 Security Lightning Arrester
Lightning rod with multiple separate points arranged along the conductor on the edges of the roof
DRAKE, William E.
Lightning Rod Point  
 1935
U 2,011,136 August 13, 1935 Protective Apparatus
Arcing gap using flux control insulators
AUSTIN, Arthur O.
Arc Gap The Ohio Brass Co.

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