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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 = '248') AND (category.subclass = '217.4') ORDER BY date ASC, patent, type

Total of 5 patents found where: Class is '248'; Subclass is '217.4';

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T / S Patent Date Description Patentee Category Assigned To
 1916
U 1,201,295 October 17, 1916 Insulator Support
Pin, cast metal with lag screw
HENDEE, Lem E.
Pin  
 1921
U 1,385,638 July 26, 1921 Supporting Bracket
Steel pin with lag screw and spring for threads
MILLER, Charles E.
Pin  
 1926
U 1,575,484 March 2, 1926 Insulator Bracket
Bracket with lag screw for wireholder knob
HOENIG, Harry E.
Bracket  
U 1,591,883 July 6, 1926 Insulator Pin
Steel pin with lag screw and spring for threads
PEIRCE, JR., Charles L.
Pin  
 1951
U 2,571,495 October 16, 1951 Adjustable Insulator Bracket
Wireholder bracket for secondary rack insulators that also functions to aid in stringing the wire without damage to the bracket.
STEINMAYER, Alwin G.
Wireholder/bracket/rack Spool McGraw Electric Co.

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