|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 = '256') AND (category.subclass = '55') ORDER BY date ASC, patent, type|
Total of 5 patents found where: Class is '256'; Subclass is '55';
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||713,904||November 18, 1902||Insulator for Telegraph Lines
Self-tying screw top
|MURRAY, John E.
||Self-tying Screw Top|
|U||753,398||March 1, 1904||Cleat for Electric Wiring
Knob - 2-piece with base cut at an angle
|HUNT, Emory C.
||Knob||1/2 to Charles Snyder|
|U||789,573||May 9, 1905||Insulator
Self-tying with metal screw plug in top of crown
|U||931,480||August 17, 1909||Wire Bender
Hand tool to quickly bend tie-wire and secure it around the insulator.
|PRATT, John Sedgwick
|U||1,032,153||July 9, 1912||Insulator
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