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Doorbell base
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Patent number 5,659,286
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Issue date Aug 19, 1997
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Sheng-Hsiung Lin
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Buzzer
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Patent number 3,938,143
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Issue date Feb 10, 1976
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Stewart-Warner Corporation
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Arthur J. Little
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3839652
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Patent number 3,839,652
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Issue date Oct 1, 1974
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3768158
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Patent number 3,768,158
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Issue date Oct 30, 1973
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3710061
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Patent number 3,710,061
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Issue date Jan 9, 1973
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3504365
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Patent number 3,504,365
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Issue date Mar 31, 1970
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3425057
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Patent number 3,425,057
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Issue date Jan 28, 1969
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3218636
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Patent number 3,218,636
-
Issue date Nov 16, 1965
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3172100
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Patent number 3,172,100
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Issue date Mar 2, 1965
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3121194
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Patent number 3,121,194
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Issue date Feb 11, 1964
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3116481
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Patent number 3,116,481
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Issue date Dec 31, 1963
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3072898
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Patent number 3,072,898
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Issue date Jan 8, 1963
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3042843
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Patent number 3,042,843
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Issue date Jul 3, 1962
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2968032
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Patent number 2,968,032
-
Issue date Jan 10, 1961
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2953779
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Patent number 2,953,779
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Issue date Sep 20, 1960
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2929883
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Patent number 2,929,883
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Issue date Mar 22, 1960
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2928028
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Patent number 2,928,028
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Issue date Mar 8, 1960
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2913715
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Patent number 2,913,715
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Issue date Nov 17, 1959
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2890447
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Patent number 2,890,447
-
Issue date Jun 9, 1959
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2889550
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Patent number 2,889,550
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Issue date Jun 2, 1959
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G10 - MUSICAL INSTRUMENTS ACOUSTICS