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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 = '152') ORDER BY date ASC, patent, type

Total of 9 patents found where: Class is '65'; Subclass is '152';

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T / S Patent Date Description Patentee Category Assigned To
 1936
U 2,034,925 March 24, 1936 Hollow Building Block
Method in manufacturing glass to glass seal welded blocks		 SLAYTER, Games
IRVINE, Jan S.
THOMAS, JR., John H.
 OI Owens-Illinois Glass Co.
 1940
U 2,207,342 July 9, 1940 Glass Building Block Manufacture
Tool to align glass block halves		 EASTUS, Harold L.
 OI Owens-Illinois Glass Co.
 1941
U 2,244,291 June 3, 1941 Machine for Aligning Glass Block Sections and Pressing Them Together
Machine for aligning glass block halves		 EASTUS, Harold L.
 OI Owens-Illinois Glass Co.
U 2,259,728 October 21, 1941 Apparatus for Making Hollow Glass Building Blocks
Machine for making glass block		 BRIDGES, Donald A.
 OI Owens-Illinois Glass Co.
 1943
U 2,336,874 December 14, 1943 Method of and Apparatus for Producing Hollow Glass Blocks
Machine for dehydrating glass block halves		 LOUDEN, Harry M.
MCCREERY, Cecil W.
 OI Owens-Illinois Glass Co.
 1944
U 2,349,739 May 23, 1944 Pressure Sustaining Apparatus
Machine for pressing glass block halves together		 LOUDEN, Harry M.
MCCREERY, Cecil W.
 OI Owens-Illinois Glass Co.
 1946
U 2,402,387 June 18, 1946 Glass Block Dehydrating Mechanism
Machine for dehydrating glass block halves		 FERGUSON, John E.
MCCREERY, Cecil W.
 OI Owens-Illinois Glass Co.
 1958
U 2,861,392 November 25, 1958 Method of sealing TV tubes
Apparatus for Sealing Picture Tubes		 VINCENT, Harvard B.
 OI Owens-Illinois Glass Co.
 1961
U 2,976,034 March 21, 1961 Chuck for Glass Block Machine
Chuck for Glass Block Machine		 HIATT, SR., Earl
 OU  

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