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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 = '52') AND (category.subclass = '308') ORDER BY date ASC, patent, type

Total of 9 patents found where: Class is '52'; Subclass is '308';

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T / S Patent Date Description Patentee Category Assigned To
 1939
U 2,156,623 May 2, 1939 Glass Building Block
Block with dovetail masonry anchor receiver strips in glass		 EASTUS, Harold L.
 OI Owens-Illinois Glass Co.
 1940
U 2,198,450 April 23, 1940 Light Transmitting Structure
Skylight construction using glass blocks		 CHERTKOF, Jack O.
 OU  
 1943
U 2,318,362 May 4, 1943 Wall Construction
Glass Block wall construction without mortar		 BOEGLEN, Durwood L.
LOCKART, Edward P.
 OI Owens-Illinois Glass Co.
 1957
U 2,812,691 November 12, 1957 Skylights
Skylight utilizing glass block		 BOYD, Robert A.
 OI Owens-Illinois Glass Co.
 1958
U 2,835,623 May 20, 1958 Method of Forming a Unitary Panel of Glass Blocks
Pre-assembled glass block windows and skylight panels		 VINCENT, Harold B.
MCDAVITT, Murray
 OI Owens-Illinois Glass Co.
 1960
U 2,941,393 June 21, 1960 Banded Hollow Glass Structural Unit
Glass block for skylights etc.		 MCDAVITT, Murray
VINCENT, Harvard B.
 OI Owens-Illinois Glass Co.
 1961
U 2,972,783 February 28, 1961 Method for Fabricating Glass Block Panels
Toplite skylight glass block panels		 RUSSELL, Richard G.
THEISEN, Jean P.
STARK, Charles H.
 KI Kimble Glass Co.
U 3,012,378 December 12, 1961 Light Transmitting Blocks
Glass Block		 BOYD, Robert A.
 OI Owens-Illinois Glass Co.
 1963
U 3,084,483 April 9, 1963 Method of Sealing Panelized Curtain Wall Assembly
Method of sealing prefabricated glass block walls		 CIPRIANI, Chester C.
STARK, Charles H.
 OI Owens-Illinois Glass Co.

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