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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 LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '228') AND (category.subclass = '121') ORDER BY last_name ASC, first_name, date, patent, type

Total of 5 patents found where: Class is '228'; Subclass is '121';

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T / S Patent Date Description Patentee Category Assigned To
 GOUVERNEUR, Minor F. H.
U 1,544,148 June 30, 1925 Method of Connecting Insulators
Multipart, method of cementing sections with solder		 GOUVERNEUR, Minor F. H.
 Multipart Locke Insulator Corp.
 HAZELTON, Benjamin F.
ZIMMERMAN, Willard P.
HOLMES, Minot K.
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.
 SOUBIER, Leonard D.
U 2,164,093 June 27, 1939 Method of Joining Glass Block Sections
Automatic machine for joining glass blocks with aluminum		 SOUBIER, Leonard D.
 OI Owens-Illinois Glass Co.
 ZIMMERMAN, Willard P.
HOLMES, Minot K.
U Specimen known 2,094,287 September 28, 1937 Method of Manufacturing Multipart Glass Articles
Method to manufacture multiple glass objects (blocks, insulators, etc.)		 ZIMMERMAN, Willard P.
HOLMES, Minot K.
 Method Owens-Illinois Glass Co.
U 2,149,246 February 28, 1939 Method of Manufacturing Hollow Glass Articles
Aluminum welding of blocks		 ZIMMERMAN, Willard P.
HOLMES, Minot K.
 OI Owens-Illinois Glass Co.

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