|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 = '174') AND (category.subclass = '41') ORDER BY date ASC, patent, type|
Total of 3 patents found where: Class is '174'; Subclass is '41';
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||279,289||June 12, 1883||Telegraph and Telephone Line
Use of copper wire instead of iron and crossarms between poles to keep the wires separated
|VALE, Theodore N.
|U||2,912,482||November 10, 1959||Aerial Cable Support and Spacer
Support and spacer for multiple electrical power lines
|HORROCKS, Raymond G.
MILLER, Carroll de V.
BRENNER, Theodore J.
|Spacer||PLM Products, Inc.|
|U||3,268,655||August 23, 1966||High Voltage Cable Spacer Insulator Device
Aerial spacer to hold three high voltage conductors and keep them spaced apart.
|HAIGH, William Francis
MCMAHON, Eugene Joseph
|Spacer||Fargo Manufacturing Co.|
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