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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 = '16') AND (category.subclass = '108') ORDER BY date ASC, patent, type

Total of 5 patents found where: Class is '16'; Subclass is '108';

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T / S Patent Date Description Patentee Category Assigned To
U 470,514 March 8, 1892 Lightning Conductor
Hollow conductor rod with slip fittings
Lightning Rod  
U 806,769 December 12, 1905 Adjustable Support for Telegraph Line Wires
Split cylinder of wood insulator for spacing line wires with external spiral grooves for receiving spiral of wire to hold the halves together and attach to insulator on adjacent wires
BELL, Jasper N.
U 912,364 February 16, 1909 Insulator for Electrically Charges Wires
Tube for routing wires through wood with spring clip attached to the outside of the tube to prevent the tube from slipping out.
CONRAD, Stonewall Jackson
Wall Tube  
U 951,505 March 8, 1910 Insulating Tube
Tree hanger comprised of split tube
MATHER, Thomas T.
U 1,171,267 February 8, 1916 Insulator for Electrically Charged Wires
Wall tube with metal gripping strip
SMITH, George R.
Wall Tube  

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