|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 = '249') AND (category.subclass = '142') ORDER BY type DESC, date, patent|
Total of 1 patents found where: Class is '249'; Subclass is '142';
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||1,754,101||April 8, 1930||Insulator and Mold for Casting the Same
Hewlett style insulator made by casting
|HAQUIN, Henri Louis Joseph
Total of 0.01 seconds