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 = '198') AND (category.subclass = '412') ORDER BY last_name ASC, first_name, date, patent, type |
Total of 1 patents found where: Class is '198'; Subclass is '412';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
HOLMES, Minot K. JONES, David | ||||||
U | 2,143,696 | January 10, 1939 | Apparatus for Assembling Hollow Building Blocks Semi automatic method for assembling glass blocks |
HOLMES, Minot K. JONES, David |
OI | Owens-Illinois Glass Co. |
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