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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 = '361') AND (category.subclass = '212') ORDER BY last_name ASC, first_name, date, patent, type

Total of 3 patents found where: Class is '361'; Subclass is '212';

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T / S Patent Date Description Patentee Category Assigned To
 CHAMBERS, Josephus C.
U Specimen known 289,890 December 11, 1883 Telegraph and Telephone Conductor
Lightning rod insulator system to protect telephone lines from cross talk		 CHAMBERS, Josephus C.
 Lightning Rod Insulator Vine, Jackson, Gridley
U 289,891 December 11, 1883 Telegraph and Telephone Cable
Lightning rod insulator system to protect telephone lines from cross talk		 CHAMBERS, Josephus C.
 Lightning Rod Insulator Vine, Jackson, Gridley
 LITTLETON, Jesse T.
U Specimen known 2,118,795 May 24, 1938 Insulator
RFI: tin iridized coating to reduce water adherence, radio interference, and reflect sun		 LITTLETON, Jesse T.
 RFI Corning Glass Works

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