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Debris alarm
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Patent number 4,412,175
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Issue date Oct 25, 1983
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Coulter Electronics, Inc.
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Franklin D. Maynarez
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G01 - MEASURING TESTING
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Digital rate monitor
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Patent number 4,399,354
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Issue date Aug 16, 1983
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Vorne Industries, Inc.
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Daniel Schaeffer
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G01 - MEASURING TESTING
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Overvoltage-pulse analyzer
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Patent number 4,365,193
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Issue date Dec 21, 1982
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CSELT - Centro Studi e Laboratori Telecomunicazioni S.p.A.
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Adriano Bollero
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G01 - MEASURING TESTING
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Pulse width spectrum analyzer
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Patent number 4,348,637
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Issue date Sep 7, 1982
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The United States of America as represented by the Secretary of the Army
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Frank Hayes
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G01 - MEASURING TESTING
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3466394
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Patent number 3,466,394
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Issue date Sep 9, 1969
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G10 - MUSICAL INSTRUMENTS ACOUSTICS