|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 = '83') ORDER BY specimen DESC, date, patent, type|
Total of 5 patents found where: Class is '83';
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||160,016||February 23, 1875||Improvement in Paper Perforating Machines
Machine for perforating paper glass etching patterns
|U||1,697,434||January 1, 1929||Hole Cutting Machine
Machine for cutting holes in Hewlett type suspension disks for links
|MOORE, JR., Stewart L.
||Manufacturing||Locke Insulator Corp.|
|U||2,033,827||March 10, 1936||Insulator Forming Machine
Machine to form the underside and recesses between skirts and the petticoats by using a trimming device that can be adjusted to any angle and extend inward as needed
|HARVEY, Leo B.
FRENCH, Lucius L.
|Manufacturing||Porcelain Insulator Corp.|
|U||2,290,138||July 14, 1942||Mechanism for Handling Wire Mesh
Machine for handling wire mesh for glass blocks
|BRIDGES, Donald A.
||OI||Owens-Illinois Glass Co.|
|U||2,355,684||August 15, 1944||Insulator Cutting Machine
Machine to automatically trim the profile in insulators in an assembly line process
|SKIPPER, Edward M.
||Machine||Locke Insulator Corp.|
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