|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 = '264') AND (category.subclass = 'DIG.78') ORDER BY date ASC, patent, type|
Total of 2 patents found where: Class is '264'; Subclass is 'DIG.78';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||1,925,211||September 5, 1933||Art of Assembling Insulators
Method of cementing pin in suspension insulator to remove air
|SMITH, William A.
||Suspension||The Ohio Brass Co.|
|U||2,301,939||November 17, 1942||Production of Ceramic Bodies
Press to make a very dense porcelain body. It is neither wet process nor dry process porcelain. The product was called ""Prestite"" porcelain.
|FISCHER, Eugene H.
||Press||Westinghouse Electric & Mfg. Co.|
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