|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 = '221') ORDER BY date ASC, patent, type|
Total of 3 patents found where: Class is '65'; Subclass is '221';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||723,983||March 31, 1903||Device for Cutting Molten Material and Distributing Same
Machine for continuously cutting off desired sized globs of molten glass for each mold
|U||820,479||May 15, 1906||Apparatus for Manufacturing Glass Articles
Press for making glassware
|CROSKEY, John H.
||Press||Duquesne Glass Co.|
|U||1,505,537||August 19, 1924||Machine for Forming Glass Articles
Severing and delivering glass from a continuous flow. Press for making glass insulators
|BROOKFIELD, Henry M.
||Press||Brookfield Glass Co.|
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