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SELECT DISTINCT patent.*, YEAR(date) as year FROM patent WHERE (assigned_to = 'Bell Telephone Laboratories, Inc.') ORDER BY date ASC, patent, type

Total of 8 patents found where: Assigned To is 'Bell Telephone Laboratories, Inc.';

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T / S Patent Date Description Patentee Category Assigned To
 1933
U 1,912,456 June 6, 1933 Transposition Bracket
Bracket for transposition
KLEIN, Charles H.
Bracket Bell Telephone Laboratories, Inc.
 1937
U 2,092,515 September 7, 1937 Insulator
Circular line spacer for telephone wires composed of a disk with holes for each wire
JERVEY, William T.
Spacer Bell Telephone Laboratories, Inc.
 1938
U 2,112,370 March 29, 1938 Wire Spacing Bracket
Bracket attached to crossarms to provide proper space between carrier conductors
KLEIN, Charles H.
Bracket Bell Telephone Laboratories, Inc.
U 2,138,571 November 29, 1938 Insulator
Transposition for telephone line
DEHMEL, Richard C.
Transposition Bell Telephone Laboratories, Inc.
 1941
U 2,248,044 July 8, 1941 Transposition Insulator
Transposition insulator with channels for two line wires to cross over within the insulator
DEHMEL, Richard C.
Transposition Bell Telephone Laboratories, Inc.
U 2,263,728 November 25, 1941 Combined Line Wire Tie and Reinforcement
Combination tie-wire and line tie
GORDON, Chester S.
KLEINFELDER, Walter C.
Tie Wire Bell Telephone Laboratories, Inc.
 1942
U 2,301,266 November 10, 1942 Method and Means for Transposing Electrical Conductors
Tensioning device before and after transposition brackets for carrier circuits
FOX, Arthur L.
Transposition Bell Telephone Laboratories, Inc.
 1951
U Specimen known 2,553,747 May 22, 1951 Method and Means for Transposing Open-Wire Lines
Method of transposing wires
CARR, James A.
Transposition Bell Telephone Laboratories, Inc.

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