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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 = '403') AND (category.subclass = '391') ORDER BY date ASC, patent, type

Total of 5 patents found where: Class is '403'; Subclass is '391';

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T / S Patent Date Description Patentee Category Assigned To
 1893
U Specimen known 505,215 September 19, 1893 Cleat for Holding a Plurality of Insulated Electric Wires
Cleat (3-wire) - 2 piece known as the B & D cleat for Buffinton and Dow		 BUFFINTON, Elisha W.
 Cleat 1/2 to Albert F. Dow
U Specimen known 508,687 November 14, 1893 Cleat for Electric Wiring
Cleat (2-wire) - 2 piece		 DUGGAN, Frederic A.
 Cleat  
 1895
U 536,684 April 2, 1895 Self-Locking Cleat for Electric Wiring
Cleat - self-tying		 CREAGER, Frank O.
 Cleat  
 1910
U 946,722 January 18, 1910 Insulator Clamp
Replacement for a tie wire consisting of a curved or looped bolt and metal strap to bolt on the insulator and clamp the line wire securely		 CLARK, Walter G.
 Tie Wire  
 1912
U 1,040,620 October 8, 1912 Insulator Clamp
Clamp, metal to secure conductor to insulator		 CLARK, Walter G.
 Clamp  

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