|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 = '4') ORDER BY date ASC, patent, type|
Total of 2 patents found where: Class is '4';
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||454,655||June 23, 1891||Suspension Device for Pails
Device to swing a tobacco pail under a store counter
|LOCKE, Fred M.
COBB, Frank E.
|U||589,256||August 31, 1897||Process of Making Insulating Material
Composition insulator made of paper pulp saturated with sulfur
CASE, Charles H.
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