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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN name ON name.patent = patent.patent AND name.type = patent.type WHERE (last_name = 'HAZELTON') AND (first_name = 'Benjamin F.') ORDER BY date ASC, patent, type

Total of 3 patents found where: Last Name is 'HAZELTON'; First Name is 'Benjamin F.';

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T / S Patent Date Description Patentee Category Assigned To
 1938
U 2,107,994 February 8, 1938 Hollow Glass Building Block
Blocks with colored sheets placed inside		 HAZELTON, Benjamin F.
 OI Owens-Illinois Glass Co.
 1939
U 2,145,351 January 31, 1939 Hollow Glass Building Block
Blocks with recess for molten glass to bond two halves together		 HAZELTON, Benjamin F.
 OI Owens-Illinois Glass Co.
 1940
U 2,198,578 April 30, 1940 Double Glazing
Double pane window glass with aluminum seal		 HAZELTON, Benjamin F.
ZIMMERMAN, Willard P.
HOLMES, Minot K.
 OI Owens-Illinois Glass Co.

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