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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 = '333') ORDER BY date ASC, patent, type

Total of 4 patents found where: Class is '333';

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T / S Patent Date Description Patentee Category Assigned To
 1928
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 1,687,556 October 16, 1928 Reduction of Attenuation Due to the Conductance Losses in Cross Arms and Insulator Pins
CD 122.4; Metal thread thimble for wooden pins carrier circuits connected electrically to other pins or brackets on the same crossarm to reduce leakage losses		 GORDON, Chester S.
LOWE, James T.
 Pin American Telephone & Telegraph Co.
 1929
U 1,710,756 April 30, 1929 Reduction of Attenuation Due to the Conductance Losses in Cross Arms and Insulator Pins
Reducing leakage on carrier circuits		 WILSON, Leon T.
 Carrier American Telephone & Telegraph Co.
 1954
U 2,680,332 June 8, 1954 Welding Glass Parts
Method of welding glass block and TV Tube halves together		 YOUNG, Norton S.
 OI Owens-Illinois Glass Co.

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