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Mark C. Allie
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Oregon, WI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Active adaptive selective control system
Patent number
5,715,320
Issue date
Feb 3, 1998
Digisonix, Inc.
Mark C. Allie
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
System for developing and operating an active sound and vibration c...
Patent number
5,627,747
Issue date
May 6, 1997
Digisonix, Inc.
Douglas E. Melton
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active adaptive control system with spectral leak
Patent number
5,586,189
Issue date
Dec 17, 1996
Digisonix, Inc.
Mark C. Allie
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Active acoustic attenuation and spectral shaping system
Patent number
5,396,561
Issue date
Mar 7, 1995
Nelson Industries, Inc.
Steven R. Popovich
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active acoustic control system matching model reference
Patent number
5,386,477
Issue date
Jan 31, 1995
Digisonix, Inc.
Steven R. Popovich
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Correlated active attenuation system with error and correction sign...
Patent number
5,206,911
Issue date
Apr 27, 1993
Nelson Industries, Inc.
Larry J. Eriksson
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active attenuation system with specified output acoustic wave
Patent number
5,172,416
Issue date
Dec 15, 1992
Nelson Industries, Inc.
Mark C. Allie
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Communication system with active noise cancellation
Patent number
5,033,082
Issue date
Jul 16, 1991
Nelson Industries, Inc.
Larry J. Eriksson
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active acoustic attenuation system with reduced convergence time
Patent number
5,022,082
Issue date
Jun 4, 1991
Nelson Industries, Inc.
Larry J. Eriksson
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Rigid foraminous microphone probe for acoustic measurement in turbu...
Patent number
4,903,249
Issue date
Feb 20, 1990
Nelson Industries
Richard H. Hoops
G01 - MEASURING TESTING
Information
Patent Grant
Active acoustic attenuation system with differential filtering
Patent number
4,837,834
Issue date
Jun 6, 1989
Nelson Industries, Inc.
Mark C. Allie
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active acoustic attenuation system for higher order mode non-unifor...
Patent number
4,815,139
Issue date
Mar 21, 1989
Nelson Industries, Inc.
Larry J. Eriksson
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Microphone probe for acoustic measurement in turbulent flow
Patent number
4,811,309
Issue date
Mar 7, 1989
Nelson Industries Inc.
Larry J. Eriksson
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active attenuation system with increased dynamic range
Patent number
4,736,431
Issue date
Apr 5, 1988
Nelson Industries, Inc.
Mark C. Allie
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Hybrid active silencer
Patent number
4,665,549
Issue date
May 12, 1987
Nelson Industries Inc.
Larry J. Eriksson
G10 - MUSICAL INSTRUMENTS ACOUSTICS