Malcolm A. Swinbanks

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Pentlands Close, GB

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Patents Grantslast 30 patents

Information Patent Grant
Damping for directional sound cancellation
- Patent number 4,669,122
- Issue date May 26, 1987
- National Research Development Corporation
- Malcolm A. Swinbanks
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Methods and apparatus for reducing noise by cancellation
- Patent number 4,637,048
- Issue date Jan 13, 1987
- National Research Development Corp.
- Malcolm A. Swinbanks
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Attenuation of sound waves
- Patent number 4,596,033
- Issue date Jun 17, 1986
- National Research Development Corp.
- Malcolm A. Swinbanks
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Attenuation of sound waves
- Patent number 4,589,133
- Issue date May 13, 1986
- National Research Development Corp.
- Malcolm A. Swinbanks
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active control of sound waves
- Patent number 4,171,465
- Issue date Oct 16, 1979
- National Research Development Corporation
- Malcolm A. Swinbanks
- G10 - MUSICAL INSTRUMENTS ACOUSTICS