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Rigging system for speakers
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Patent number 10,375,468
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Issue date Aug 6, 2019
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Harman International Industries, Incorporated
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Jacques Spillmann
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Epoxy resin
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Patent number 4,488,283
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Issue date Dec 11, 1984
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RCA Corporation
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Kwong T. Chung
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G11 - INFORMATION STORAGE
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Boron cantilever pipe
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Patent number 4,382,454
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Issue date May 10, 1983
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Matsushita Electric Industrial Co., Ltd.
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Masaki Aoki
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Vibratory elements for audio equipment
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Patent number 4,362,772
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Issue date Dec 7, 1982
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Pioneer Electronic Corporation
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Tsunehiro Tsukagoshi
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method of making boron cantilever
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Patent number 4,279,691
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Issue date Jul 21, 1981
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Matsushita Electric Industrial Co.
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Masaki Aoki
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Pickup cartridge
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Patent number 3,992,017
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Issue date Nov 16, 1976
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Sony Corporation
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Yoshihisa Mori
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Gramaphone pickup
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Patent number 3,991,284
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Issue date Nov 9, 1976
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Karl Braun
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3924076
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Patent number 3,924,076
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Issue date Dec 2, 1975
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3918723
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Patent number 3,918,723
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Issue date Nov 11, 1975
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3909008
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Patent number 3,909,008
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Issue date Sep 30, 1975
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3882267
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Patent number 3,882,267
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Issue date May 6, 1975
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G11 - INFORMATION STORAGE