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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 = '74') ORDER BY date ASC, patent, type

Total of 6 patents found where: Class is '74';

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T / S Patent Date Description Patentee Category Assigned To
 1888
U 391,512 October 23, 1888 Electric Switch
Wooden switch (Brown p. 21)
CLEVELAND, William B.
Wood  
 1892
U 470,514 March 8, 1892 Lightning Conductor
Hollow conductor rod with slip fittings
SIMPSON, Harvey
Lightning Rod  
U 474,319 May 3, 1892 Insulator
Strain type
GOODRICH, Charles F.
Strain 1/2 to John G. Thompson
 1906
U 809,969 January 16, 1906 Glass-Molding Apparatus
Glass press for jars or insulators
MYERS, McClelland
Press  
 1917
U 1,222,255 April 10, 1917 Standard Fence Stay Anchor Rod and Lightning Rod
Lightning rod for barbed wire fence
ALVERSON, Lewis
Lightning Rod Fence  
 1923
U 1,446,067 February 20, 1923 Method of Connecting Insulator Units
Suspension, method of cementing pin
REAGAN, Frank H.
Suspension Locke Insulator Corp.

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