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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 = 'D13') AND (category.subclass = '132') ORDER BY last_name ASC, first_name, date, patent, type

Total of 12 patents found where: Class is 'D13'; Subclass is '132';

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T / S Patent Date Description Patentee Category Assigned To
 CLAPPER, Ralph A.
D 46,862 January 19, 1915 Design for an Insulator
Miscellaneous insulator
CLAPPER, Ralph A.
Misc  
 COPELAND, Herschel P.
D 31,861 November 21, 1899 Design for a Ring Insulator
Ring wire holder (see ID 5165)
COPELAND, Herschel P.
Misc  
 GRAHAM, Sarah A.
D 27,756 October 19, 1897 Design for a Line Wire Insulator
Self-tying pin type
GRAHAM, Sarah A.
Pin-type  
 HORTON, John T.
D 52,991 February 11, 1919 Design for an Insulator
Miscellaneous knob
HORTON, John T.
Knob  
 KETTRON, Charles W.
U Specimen known 1,127,776 February 9, 1915 Insulator
Reversible nail-knob
KETTRON, Charles W.
Knob Illinois Electric Porcelain Co.
 LOCKE, Fred M.
D Specimen known 32,741 May 29, 1900 Design for an Insulator
Eave drain & spout
LOCKE, Fred M.
Pin-type  
 MARTIN, JR., Albert D.
U Specimen known 2,444,938 July 13, 1948 Insulator
Radio antennae insulator with center hole for nail and side slits to hold the antennae wire
MARTIN, JR., Albert D.
Radio  
 MCDONALD, William B.
D 28,743 May 31, 1898 Design for an Insulator Plate
Truncated triangular glass plate with three wiring knobs for arc lights
MCDONALD, William B.
Misc  
 MORGAN, Jacque L.
D 29,782 December 6, 1898 Design for an Insulator
Miscellaneous insulator
MORGAN, Jacque L.
Misc  
D 30,564 April 18, 1899 Design for an Insulator
Miscellaneous insulator
MORGAN, Jacque L.
Misc  
 PIERCE, JR., Charles L.
D Specimen known 53,522 July 8, 1919 Design for an Insulator
Strain
PIERCE, JR., Charles L.
Strain 1/2 to Hubbard & Co.
 STAHL, Loren
U 1,163,114 December 7, 1915 Insulator
Cleat
STAHL, Loren
Cleat  

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