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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '174') AND (category.subclass = '187') ORDER BY last_name DESC, first_name, date, patent, type

Total of 8 patents found where: Class is '174'; Subclass is '187';

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T / S Patent Date Description Patentee Category Assigned To
 STEINBERGER, Louis
U 1,406,696 February 14, 1922 Self-Cooling Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,406,697 February 14, 1922 Self-Cooling Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,447,359 March 6, 1923 Ventilated Line Insulator
Electrose pintype insulator with holes in the center to ventilate and reduce heat
STEINBERGER, Louis
Electrose  
U 1,468,042 September 18, 1923 Column Strain Insulator
Electrose strain insulator
STEINBERGER, Louis
Strain  
U 1,468,043 September 18, 1923 Insulator Supporting Pin
Electrose pin
STEINBERGER, Louis
Pin  
U 1,468,044 September 18, 1923 Line Insulator
Metal thimble in Electrose pintype insulator and internal cavity to cool insulator
STEINBERGER, Louis
Electrose  
 LAPP, John S.
U 1,654,047 December 27, 1927 Strain Insulator
Strain insulator with steel covering whereby the porcelain insulator is in compression
LAPP, John S.
Strain Lapp Insulator Co.
 FAY, John L.
WAY, Sylvester B.
U 1,106,797 August 11, 1914 Electric Insulator
Suspension insulators
FAY, John L.
WAY, Sylvester B.
Suspension  

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