Membership
Tour
Register
Log in
Shawn K. Steenhagen
Follow
Person
Madison, WI, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Frequency selective active adaptive control system
Patent number
5,710,822
Issue date
Jan 20, 1998
Digisonix, Inc.
Shawn K. Steenhagen
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Active acoustic attenuation system with power limiting
Patent number
5,278,913
Issue date
Jan 11, 1994
Nelson Industries, Inc.
Kent F. Delfosse
G10 - MUSICAL INSTRUMENTS ACOUSTICS