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Patent Assignment Details
NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:018917/0957   Pages: 15
Recorded: 09/13/2006
Conveyance: SECURITY INTEREST RELEASE
Total properties: 50
1
Patent #:
Issue Dt:
12/16/1986
Application #:
06798794
Filing Dt:
11/15/1985
Title:
MULTIPLE DRIVER MANIFOLD
2
Patent #:
Issue Dt:
01/05/1988
Application #:
06823668
Filing Dt:
01/29/1986
Title:
AUTOMATIC GAIN CONTROL FOR HEARING AID
3
Patent #:
Issue Dt:
08/11/1987
Application #:
06832155
Filing Dt:
02/21/1986
Title:
CONSTANT DIRECTIVITY LOUDSPEAKER HORN
4
Patent #:
Issue Dt:
06/18/1991
Application #:
06934128
Filing Dt:
11/24/1986
Title:
BAND FOR HEADSET
5
Patent #:
Issue Dt:
06/04/1991
Application #:
07447608
Filing Dt:
12/08/1989
Title:
LOUDSPEAKER AND HORN THEREFOR
6
Patent #:
Issue Dt:
02/09/1993
Application #:
07685560
Filing Dt:
04/12/1991
Title:
HEADSET
7
Patent #:
Issue Dt:
04/12/1994
Application #:
07903620
Filing Dt:
06/24/1992
Title:
HEADSET
8
Patent #:
Issue Dt:
10/22/1996
Application #:
08097792
Filing Dt:
07/26/1993
Title:
CAMERA MOUNTED WIRELESS AUDIO/VIDEO TRANSMITTER SYSTEM
9
Patent #:
Issue Dt:
01/09/1996
Application #:
08344978
Filing Dt:
11/25/1994
Title:
TRANSPARENT GLASS-CERAMICS
10
Patent #:
Issue Dt:
09/01/1998
Application #:
08567942
Filing Dt:
12/06/1995
Title:
BTE ASSISTIVE LISTENING RECEIVER WITH INTERCHANGEABLE CRYSTALS
11
Patent #:
Issue Dt:
01/19/1999
Application #:
08642757
Filing Dt:
05/03/1996
Title:
ADJUSTABLE HEADSET
12
Patent #:
Issue Dt:
03/16/1999
Application #:
08687804
Filing Dt:
07/19/1996
Title:
MODULAR DIGITAL AUDIO SYSTEM HAVING INDIVIDUALIZED FUNCTIONAL MODULES
13
Patent #:
Issue Dt:
05/11/1999
Application #:
08734796
Filing Dt:
10/23/1996
Title:
COMPRESSION SYSTEMS FOR HEARING AIDS
14
Patent #:
Issue Dt:
10/19/1999
Application #:
08746435
Filing Dt:
11/08/1996
Title:
VIDEO MONITOR WITH SHIELDED MICROPHONE
15
Patent #:
Issue Dt:
05/30/2000
Application #:
08769965
Filing Dt:
12/19/1996
Title:
TDM DIGITAL MATRIX INTERCOM SYSTEM
16
Patent #:
Issue Dt:
04/16/2002
Application #:
08806786
Filing Dt:
02/26/1997
Title:
SYNCHRONIZATION TECHNIQUE AND METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING CODED SIGNALS
17
Patent #:
Issue Dt:
07/03/2001
Application #:
08807880
Filing Dt:
02/26/1997
Title:
DIVERSITY RECEPTION SYSTEM
18
Patent #:
Issue Dt:
08/21/2001
Application #:
09124686
Filing Dt:
07/29/1998
Title:
ACTIVE NOISE CANCELLATION AIRCRAFT HEADSET SYSTEM
19
Patent #:
Issue Dt:
11/19/2002
Application #:
09732364
Filing Dt:
12/07/2000
Publication #:
Pub Dt:
08/08/2002
Title:
ONE-PIECE YAGI-UDA ANTENNA AND PROCESS FOR MAKING THE SAME
20
Patent #:
Issue Dt:
12/17/2002
Application #:
09885143
Filing Dt:
06/20/2001
Publication #:
Pub Dt:
12/26/2002
Title:
HEADSET WITH OVERMOLD
21
Patent #:
Issue Dt:
11/28/2006
Application #:
10404587
Filing Dt:
03/31/2003
Publication #:
Pub Dt:
09/30/2004
Title:
MULTIPLE WAVEGUIDE COAXIAL CEILING LOUDSPEAKER
22
Patent #:
NONE
Issue Dt:
Application #:
10862965
Filing Dt:
06/07/2004
Publication #:
Pub Dt:
12/08/2005
Title:
Free standing wireless microphone with weighted base
23
Patent #:
NONE
Issue Dt:
Application #:
10950619
Filing Dt:
09/28/2004
Publication #:
Pub Dt:
03/30/2006
Title:
Radio control over internet protocol system
24
Patent #:
Issue Dt:
05/12/2009
Application #:
11126067
Filing Dt:
05/09/2005
Publication #:
Pub Dt:
11/09/2006
Title:
ADJUSTABLE MOUNTING SYSTEM FOR SPEAKER ENCLOSURES
25
Patent #:
Issue Dt:
04/13/2010
Application #:
11332694
Filing Dt:
01/13/2006
Publication #:
Pub Dt:
08/17/2006
Title:
PERFORATED PLATE INCLUDING EMBEDDED GRAPHICS
26
Patent #:
Issue Dt:
11/29/2011
Application #:
11431063
Filing Dt:
05/09/2006
Publication #:
Pub Dt:
11/15/2007
Title:
AUTOMATIC TRANSFORMER SATURATION COMPENSATION CIRCUIT
27
Patent #:
Issue Dt:
04/18/1995
Application #:
29022716
Filing Dt:
05/11/1994
Title:
HEADSET
28
Patent #:
Issue Dt:
04/09/1996
Application #:
29022726
Filing Dt:
05/11/1994
Title:
MICROPHONE
29
Patent #:
Issue Dt:
12/26/1995
Application #:
29022767
Filing Dt:
05/11/1994
Title:
MICROPHONE
30
Patent #:
Issue Dt:
01/23/1996
Application #:
29029556
Filing Dt:
10/11/1994
Title:
HEADSET
31
Patent #:
Issue Dt:
10/24/1995
Application #:
29029800
Filing Dt:
10/17/1994
Title:
HEADSET EAR PIECE
32
Patent #:
Issue Dt:
01/07/1997
Application #:
29039235
Filing Dt:
05/25/1995
Title:
AIRCRAFT HEADSET
33
Patent #:
Issue Dt:
05/13/1997
Application #:
29047386
Filing Dt:
12/01/1995
Title:
MICROPHONE
34
Patent #:
Issue Dt:
11/25/1997
Application #:
29053220
Filing Dt:
04/17/1996
Title:
MICROPHONE
35
Patent #:
Issue Dt:
11/17/1998
Application #:
29057081
Filing Dt:
07/16/1996
Title:
SPEAKER ENCLOSURE
36
Patent #:
Issue Dt:
01/13/1998
Application #:
29064064
Filing Dt:
12/20/1996
Title:
MICROPHONE ATTACHABLE TO COMPUTER MONITOR
37
Patent #:
Issue Dt:
07/07/1998
Application #:
29071912
Filing Dt:
05/30/1997
Title:
MICROPHONE
38
Patent #:
Issue Dt:
07/07/1998
Application #:
29071913
Filing Dt:
05/30/1997
Title:
MICROPHONE
39
Patent #:
Issue Dt:
06/26/2001
Application #:
29112090
Filing Dt:
10/08/1999
Title:
MICROPHONE
40
Patent #:
Issue Dt:
06/19/2001
Application #:
29112204
Filing Dt:
10/12/1999
Title:
HEADSET
41
Patent #:
Issue Dt:
10/09/2001
Application #:
29132165
Filing Dt:
11/03/2000
Title:
Headset
42
Patent #:
Issue Dt:
10/02/2001
Application #:
29132207
Filing Dt:
11/03/2000
Title:
Earphone Headset
43
Patent #:
Issue Dt:
02/04/2003
Application #:
29139555
Filing Dt:
04/02/2001
Title:
HEADSET SIGNAL CONVERTER POD
44
Patent #:
Issue Dt:
12/24/2002
Application #:
29145652
Filing Dt:
07/26/2001
Title:
SURFACE MOUNTABLE LOUDSPEAKER
45
Patent #:
Issue Dt:
01/14/2003
Application #:
29154626
Filing Dt:
01/24/2002
Title:
EARPHONE HEADSET
46
Patent #:
Issue Dt:
10/28/2003
Application #:
29164532
Filing Dt:
07/26/2002
Title:
TELECONFERENCING UNIT
47
Patent #:
Issue Dt:
04/05/2005
Application #:
29202357
Filing Dt:
03/29/2004
Title:
SPEAKER HOUSING
48
Patent #:
Issue Dt:
12/26/2006
Application #:
29229647
Filing Dt:
05/09/2005
Title:
SPEAKER ENCLOSURE
49
Patent #:
Issue Dt:
10/03/2006
Application #:
29237109
Filing Dt:
08/25/2005
Title:
MICROPHONE
50
Patent #:
Issue Dt:
01/23/2007
Application #:
29237110
Filing Dt:
08/25/2005
Title:
MICROPHONE
Assignors
1
Exec Dt:
08/30/2006
2
Exec Dt:
08/29/2006
Assignee
1
12000 PORTLAND AVENUE SOUTH
BURNSVILLE, MINNESOTA 55337-1522
Correspondence name and address
RENEE B. KRAFT
FREDRIKSON & BYRON, P.A.
SUITE 4000
200 SOUTH SIXTH STREET
MINNEAPOLIS, MN 55402

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