|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 = '411') AND (category.subclass = '508') ORDER BY date ASC, patent, type|
Total of 3 patents found where: Class is '411'; Subclass is '508';
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||684,909||October 22, 1901||Insulating Bushing
|COLE, John A.
|U||912,364||February 16, 1909||Insulator for Electrically Charges Wires
Tube for routing wires through wood with spring clip attached to the outside of the tube to prevent the tube from slipping out.
|CONRAD, Stonewall Jackson
|U||1,026,711||May 21, 1912||Sheet Metal Insulator Pin
Pin, metal composed of three flat strips
|SHOVER, Barton R.
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