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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 = '65') AND (category.subclass = '159') ORDER BY date ASC, patent, type

Total of 5 patents found where: Class is '65'; Subclass is '159';

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T / S Patent Date Description Patentee Category Assigned To
 1899
U 622,270 April 4, 1899 Machine for Making Hollow Glassware
Glass Press that can be adapted for insulator manufacture
ROWE, John T.
Misc  
 1903
U 730,665 June 9, 1903 Glass Molding Machine
Insulator Press
KRIBS, Seraphin
Press  
 1932
U 1,844,549 February 9, 1932 Glass Working Machine
Press for making glass insulators
HEADLEY, Benjamin T.
DU BOIS, David Irvin
KOOB, Bernard H.
LOBB, Frank H.
Press Whitall Tatum Co.
 1936
U 2,052,343 August 25, 1936 Plastic Forming Apparatus
Insulator press
DU BOIS, David Irvin
Press Whitall Tatum Co.
 1941
U 2,238,198 April 15, 1941 Insulator Press
Insulator press with multiple molds for pressing glass insulators
WEBER, Walter C.
Press Corning Glass Works

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