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Patent Assignment Assignee Details
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Assignee Name : KNOWLES ELECTRONICS, INC.
Total Assignments: 30
Assignment: 1
Reel/Frame:005309/0432   Pages: 2
Recorded: 05/01/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
04/24/1990
Assignee
1
1151 MAPLEWOOD DRIVE, A CORP. OF DE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07517569
Correspondence name and address
KINZER, PLYER, DORN, MC EACHRAN &
JAMBOR
MID-CONTINENTAL PLAZA
55 EAST MONROE ST.
CHICAGO, IL 60603
Assignment: 2
Reel/Frame:005397/0858   Pages: 4
Recorded: 08/06/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
06/30/1990
Assignee
1
1151 MAPLEWOOD DRIVE
A CORP. OF DE
ITASCA, ILLINOIS 60143
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
05684640
 
NONE
06469202
 
NONE
06512352
 
NONE
06541089
 
NONE
07108122
 
NONE
07292882
 
NONE
07426999
 
NONE
UNAVAILABLE
 
NONE
UNAVAILABLE
Correspondence name and address
KINZER, PLYER, DORN, ET AL
55 EAST MONROE STREET
SUITE 3905
CHICAGO, IL 60603
Assignment: 3
Reel/Frame:005413/0843   Pages: 2
Recorded: 08/22/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
07/20/1990
Assignee
1
1151 MAPLEWOOD DRIVE, A CORP. OF DE.
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07570820
Correspondence name and address
KINZER, PLYER, DORN, MC EACHRAN
& JAMBOR
MID-CONTINENTAL PLAZA
55 EAST MONROE STREET
CHICAGO, IL 60603
Assignment: 4
Reel/Frame:005504/0110   Pages: 2
Recorded: 11/08/1990
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
11/05/1990
Assignee
1
1151 MAPLEWOOD DRIVE, A CORP. OF DELAWARE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07610502
Correspondence name and address
KINZER, PLYER, DORN, MC EACHRAN & JAMBOR
55 EAST MONROE STREET
CHICAGO, IL 60603
Assignment: 5
Reel/Frame:005801/0246   Pages: 2
Recorded: 08/02/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/24/1991
2
Exec Dt:
07/24/1991
Assignee
1
A CORPORATION OF DE
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07739486
Correspondence name and address
KINZER, PLYER, DORN, MC EACHRAN
AND JAMBOR
55 EAST MONROE STREET
CHICAGO, IL 60603
Assignment: 6
Reel/Frame:005846/0985   Pages: 3
Recorded: 09/13/1991
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor
1
Exec Dt:
08/26/1991
Assignee
1
A CORP. OF DELAWARE
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07759480
Correspondence name and address
STEPHEN R. ARNOLD
WALLENSTEIN, WAGNER & HATTIS, LTD.
311 SOUTH WACKER DR., 53RD FL.
CHICAGO, IL 60606
Assignment: 7
Reel/Frame:006394/0515   Pages: 3
Recorded: 01/15/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
06/24/1992
2
Exec Dt:
06/24/1992
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07900662
Correspondence name and address
WALLENSTEIN, WAGNER & HATTIS, LTD.
311 SOUTH WACKER DRIVE, 5300
CHICAGO, IL 60606
ATTN: THOMAS K. STINE
Assignment: 8
Reel/Frame:006818/0773   Pages: 2
Recorded: 01/07/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/01/1992
2
Exec Dt:
07/01/1992
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07930006
Correspondence name and address
MICHEAL D. LAKE, ESQ.
WALLENSTEIN WAGNER & HATTIS LTD.
311 SOUTH WACKER DRIVE-5300
CHICAGO, IL 60606
Assignment: 9
Reel/Frame:006214/0238   Pages: 4
Recorded: 07/27/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
07/20/1992
2
Exec Dt:
07/20/1992
3
Exec Dt:
07/20/1992
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07919742
Correspondence name and address
KINZER, PLYER, DORN, MCEACHRAN & JAMBOR
JOEL H. BOCK
55 EAST MONROE STREET
SUITE 3905
CHICAGO, ILLINOIS 60603
Assignment: 10
Reel/Frame:006360/0100   Pages: 2
Recorded: 12/14/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
Exec Dt:
11/16/1992
2
Exec Dt:
11/16/1992
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
07989714
Correspondence name and address
THOMAS E. DORN
KINZER, PLYER, DORN, MCEACHRAN & JAMBOR
55 E. MONROE - SUITE 3905
CHICAGO, ILLINOIS 60603
Assignment: 11
Reel/Frame:006980/0597   Pages: 2
Recorded: 05/11/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/31/1993
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29012488
Correspondence name and address
THOMAS K. STINE
WALLENSTEIN, WAGNER & HATTIS, LTD.
311 SOUTH WACKER DRIVE, 53RD FLOOR
CHICAGO, ILLINOIS 60606
Assignment: 12
Reel/Frame:006980/0599   Pages: 2
Recorded: 05/11/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/31/1993
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29012486
Correspondence name and address
THOMAS K. STINE
WALLENSTEIN, WAGNER & HATTIS, LTD.
311 SOUTH WACKER DRIVE, 53RD
CHICAGO, IL 60606
Assignment: 13
Reel/Frame:006980/0601   Pages: 2
Recorded: 05/11/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/31/1993
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29012487
Correspondence name and address
THOMAS K. STINE
WALLENSTEIN, WAGNER & HATTIS, LTD.
311 SOUTH WACKER DRIVE, 53RD FLOOR
CHICAGO, ILLINOIS 60606
Assignment: 14
Reel/Frame:006960/0642   Pages: 3
Recorded: 04/25/1994
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS). EFFECTIVE ON 06/30
Assignor
1
Exec Dt:
04/06/1994
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
UNAVAILABLE
Correspondence name and address
DAVID S. MANN
MCBRIDE BAKER & COLES
500 W. MADISON STREET
40TH FLOOR
CHICAGO, IL 60661-2511
Assignment: 15
Reel/Frame:007074/0558   Pages: 2
Recorded: 07/27/1994
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/21/1994
2
Exec Dt:
07/21/1994
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08254583
Correspondence name and address
THOMAS K. STINE
WALLENSTEIN, WAGNER & HATTIS, LTD.
311 SOUTH WACKER DRIVE, 53RD FLOOR
CHICAGO, ILLINOIS 60606
Assignment: 16
Reel/Frame:007492/0357   Pages: 2
Recorded: 05/26/1995
Conveyance: NUNC PRO TUNC ASSIGNMENT (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
05/17/1995
Assignee
1
2800 W. GOLF ROAD
ROLLING MEADOWS, ILLINOIS 60008
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08247136
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 SOUTH WACKER DRIVE, 53RD FLOOR
CHICAGO, IL 60606
Assignment: 17
Reel/Frame:007677/0528   Pages: 2
Recorded: 10/25/1995
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
10/18/1995
Assignee
1
1151 MAPELWOOD DRIVE
ITASCA, ILLINOIS 60143
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
07733668
 
NONE
08218603
 
NONE
08238965
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
ATTN: THOMAS K. STINE
311 SOUTH WACKER DRIVE, 53RD FLOOR
CHICAGO, ILLINOIS 60606
Assignment: 18
Reel/Frame:008329/0082   Pages: 2
Recorded: 01/31/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
10/25/1996
2
Exec Dt:
10/25/1996
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08742287
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 SOUTH WACKER DRIVE, 53RD FLOOR
CHICAGO, IL 60606
Assignment: 19
Reel/Frame:009412/0306   Pages: 2
Recorded: 08/24/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
07/08/1997
2
Exec Dt:
07/08/1997
3
Exec Dt:
07/08/1997
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08890075
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE, ESQ.
311 SOUTH WACKER DRIVE, 5300
CHICAGO, ILLINOIS 60606
Assignment: 20
Reel/Frame:009758/0286   Pages: 4
Recorded: 02/16/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
01/14/1998
2
Exec Dt:
01/14/1998
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
08943669
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 SOUTH WACKER DRIVE - 5300
CHICAGO, IL 606206
Assignment: 21
Reel/Frame:009252/0519   Pages: 2
Recorded: 06/10/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/30/1998
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09050508
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
MARINA N. SAITO
311 S. WACKER DRIVE
53RD FLOOR
CHICAGO, IL 60606-6622
Assignment: 22
Reel/Frame:009532/0671   Pages: 2
Recorded: 10/13/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
03/31/1998
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
29083343
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 SOUTH WACKER DRIVE
53RD FLOOR
CHICAGO, ILLINOIS 60606
Assignment: 23
Reel/Frame:009436/0387   Pages: 4
Recorded: 09/01/1998
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
08/31/1998
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Properties
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
Pat #
Pub #
Intl #
App #
 
NONE
07090687
 
NONE
07875425
 
NONE
08586212
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 SOUTH WACKER DRIVE - 5300
CHICAGO, IL 60606
Assignment: 24
Reel/Frame:010208/0495   Pages: 2
Recorded: 09/03/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
01/22/1999
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09238247
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS L. STINE
311 S. WACKER DRIVE, 53RD FLOOR
CHICAGO, IL 60606-6622
Assignment: 25
Reel/Frame:009767/0330   Pages: 2
Recorded: 02/09/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
02/01/1999
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09193012
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 S. WACKER DRIVE, 53RD FLOOR
CHICAGO, IL 60606-6622
Assignment: 26
Reel/Frame:009916/0140   Pages: 2
Recorded: 04/26/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/15/1999
2
Exec Dt:
03/15/1999
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09258628
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 S. WACKER DRIVE, 53RD FLOOR
CHICAGO, IL 60606-6622
Assignment: 27
Reel/Frame:010093/0010   Pages: 2
Recorded: 07/16/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
06/09/1999
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09324438
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 S. WACKER DRIVE
53RD FLOOR
CHICAGO, IL 60606-6622
Assignment: 28
Reel/Frame:010269/0740   Pages: 2
Recorded: 09/28/1999
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
Exec Dt:
07/29/1999
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
09364625
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
EDWARD L. BISHOP
311 S. WACKER DRIVE, 53RD FLOOR
CHICAGO, IL 60606-6622
Assignment: 29
Reel/Frame:012413/0566   Pages: 2
Recorded: 01/02/2002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
08/06/2001
2
Exec Dt:
08/06/2001
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09910110
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE, ESQ.
311 S. WACKER DRIVE, 53RD FLOOR
CHICAGO, ILLINOIS 60606-6630
Assignment: 30
Reel/Frame:013920/0097   Pages: 2
Recorded: 04/07/2003
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
Exec Dt:
03/20/2003
2
Exec Dt:
03/20/2003
Assignee
1
1151 MAPLEWOOD DRIVE
ITASCA, ILLINOIS 60143
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
09966873
Correspondence name and address
WALLENSTEIN & WAGNER, LTD.
THOMAS K. STINE
311 S. WACKER DRIVE, 53RD FLOOR
CHICAGO, IL 60606-6630

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