|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 = '68') ORDER BY date ASC, patent, type|
Total of 1 patents found where: Class is '68';
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||383,734||May 29, 1888||Insulator for Electrical Wires
Self-tying slot top & metal keeper
|KEYES, Frank E.
||Self-tying Slot Top|
Total of 0.01 seconds