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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 = '501') AND (category.subclass = '65') ORDER BY date ASC, patent, type

Total of 6 patents found where: Class is '501'; Subclass is '65';

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T / S Patent Date Description Patentee Category Assigned To
 1914
U Specimen known 1,091,679 March 31, 1914 Insulator
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
 1915
U Specimen known 1,127,044 February 2, 1915 Insulator
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
U Specimen known 1,156,163 October 12, 1915 Manufacture of High Potential Electric Conductors
Boro-silicate glass & porcelain		 LOCKE, Fred M.
 Boron  
 1917
U 1,233,486 July 17, 1917 Electrical Insulator
Boro-silicate glass		 LOCKE, Fred M.
 Boron  
 1923
U 1,449,793 March 27, 1923 Glass and Process of Making Same
Boro-silicate glass made colorless by adding neodymium oxide		 TAYLOR, William C.
 Boron Corning Glass Works
 1929
U Specimen known 1,700,066 January 22, 1929 Insulator for Radio Frequency Currents
Radio strain insulator made from Pyrex glass for antennas		 MARSHALL, Albert E.
 Radio Corning Glass Works

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