|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 = '140') ORDER BY date ASC, patent, type|
Total of 3 patents found where: Class is '140';
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||119,987||October 17, 1871||Improvement in Machines for Making Lightning Rods
Machine for making lightning rods (see 113,154) by wrapping wires around a central core, covering with a sheath of sheet copper, and coiling up the rod as it is produced
|KNAPP, George S.
||Lightning Rod Machine|
|U||530,361||December 4, 1894||Tool for Lineman's Use
Lineman's tool to remove or apply the tie wire loop on an insulator
MISHLER, Milton B.
|U||931,480||August 17, 1909||Wire Bender
Hand tool to quickly bend tie-wire and secure it around the insulator.
|PRATT, John Sedgwick
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