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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 = '248') ORDER BY date ASC, patent, type

Total of 9 patents found where: Class is '65'; Subclass is '248';

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T / S Patent Date Description Patentee Category Assigned To
U 275,984 April 17, 1883 Press and Mold for Molding Glass
Press for making insulators
BROOKE, Aries P.
Press William Brookfield
U 303,936 August 19, 1884 Machine for Making Glass Insulators
Press for making insulators
KRELL, Emil F.
Press 3/5 to Orville W. Owen
U 596,651 January 4, 1898 Press for Making Insulators
Press for making insulators
Press William Brookfield
U 730,665 June 9, 1903 Glass Molding Machine
Insulator Press
KRIBS, Seraphin
U 835,235 November 6, 1906 Press for Making Glass Insulators or Similar Articles
Press for making insulators
STIVERS, William D.
Press Henry M. Brookfield
U 1,137,000 April 27, 1915 Fluid Molding Press
Press for making glass insulators
OLSEN, Sigward
Press Brookfield Glass Co.
U 2,052,343 August 25, 1936 Plastic Forming Apparatus
Insulator press
DU BOIS, David Irvin
Press Whitall Tatum Co.
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
U 2,843,973 July 22, 1958 Apparatus Used in Compression Molding of Objects of Glass and Like Material
Insulator press
CLIGNET, Georges
Press Verreries Charbonneaux

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