|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 = '414') AND (category.subclass = '197') ORDER BY type DESC, date, patent|
Total of 1 patents found where: Class is '414'; Subclass is '197';
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||826,139||July 17, 1906||Device for Mixing Ingredients for Making Glass and for Feeding them to Furnaces
Mixer for mixing ingredients for glass insulators
|BROOKFIELD, Henry M.
Total of 0.01 seconds