|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 = '106') AND (category.subclass = '241') ORDER BY date ASC, patent, type|
Total of 2 patents found where: Class is '106'; Subclass is '241';
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||87,187||February 23, 1869||Improved Composition Insulator for Telegraph and other Electric Conductors
Composition material of silica, gum shellac etc. molded
|MERRICK, JR., John M.
|U||389,519||September 11, 1888||Composition of Matter
Composition material composed of mica and shellac that can be molded (Rick Soller's threaded pin-type specimen)
|LEE, Charles Tennant
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