|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 = '40R') ORDER BY date ASC, patent, type|
Total of 6 patents found where: Class is '174'; Subclass is '40R';
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||258,005||May 16, 1882||Balloon Support for Telegraph Wires, &c.
Gas balloon as a substitute for poles to support telegraph wires, light towers, and flags
|U||461,109||October 13, 1891||Device for Stretching Heavy Wires on Poles
Mechanical device mounted on the crossarm with a roller to aid in stretching wires before they are attached to insulators.
|BALL, Henry Price
||Wire Stretcher||Edison General Electric Co.|
|U||1,033,019||July 16, 1912||Insulator
Cover for bridle wire drop
|JEWETT, Frank B.
||Miscellaneous||American Telephone & Telegraph Co.|
|U||1,280,172||October 1, 1918||Insulator Protector
Protective shield surrounding the insulator to protect it from damage.
|CULLIGAN, Charles A.
|U||1,687,535||October 16, 1928||Reduction of Losses in Insulators, Pins, and Cross Arms
Carrier circuit insulator with specific diameter/pin ratio
|AFFEL, Herman A.
GREEN, Estill I.
|Carrier||American Telephone & Telegraph Co.|
|U||1,700,166||January 29, 1929||Insulator for Bridle Wires
Dry-spot using coke bottle top & cap
||Dry-spot||American Telephone & Telegraph Co.|
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