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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:006611/0216   Pages: 17
Recorded: 03/02/1993
Conveyance: SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Total properties: 38
1
Patent #:
Issue Dt:
Application #:
05501786
Filing Dt:
Title:
2
Patent #:
Issue Dt:
06/24/1980
Application #:
05926572
Filing Dt:
07/20/1978
Title:
METHOD AND APPRATUS FOR TESTING THE TIP-RING POLARITY OF TELEPHONE RECEPTACLES
3
Patent #:
Issue Dt:
11/17/1981
Application #:
06079709
Filing Dt:
09/28/1979
Title:
PRINTED CIRCUIT BOARD FACEPLATE ASSEMBLY
4
Patent #:
Issue Dt:
12/22/1981
Application #:
06081632
Filing Dt:
10/04/1979
Title:
POWER DISTRIBUTION CENTER
5
Patent #:
Issue Dt:
02/21/1984
Application #:
06296678
Filing Dt:
08/27/1981
Title:
PRESSURIZABLE TELEPHONE LOAD COIL ASSEMBLY
6
Patent #:
Issue Dt:
05/28/1985
Application #:
06309886
Filing Dt:
10/06/1981
Title:
MULTIPLE SERVICE UNIT
7
Patent #:
Issue Dt:
10/09/1984
Application #:
06361690
Filing Dt:
03/25/1982
Title:
SUBSCRIBER LOOP CURRENT REGULATOR
8
Patent #:
Issue Dt:
12/25/1984
Application #:
06382067
Filing Dt:
05/26/1982
Title:
REVERSE EQUALIZATION NETWORK
9
Patent #:
Issue Dt:
04/15/1986
Application #:
06403224
Filing Dt:
07/29/1982
Title:
ECHO CANCELLER USING ADAPTIVE BULK DELAY AND FILTER
10
Patent #:
Issue Dt:
03/19/1985
Application #:
06445612
Filing Dt:
11/30/1982
Title:
ADJUSTABLE SLOPE EQUALIZER
11
Patent #:
Issue Dt:
09/30/1986
Application #:
06561383
Filing Dt:
12/14/1983
Title:
HOUSING FOR INTERFACE MODULE
12
Patent #:
Issue Dt:
08/19/1986
Application #:
06586531
Filing Dt:
03/05/1984
Title:
ACTIVE NETWORK TERMINATION CIRCUIT
13
Patent #:
Issue Dt:
08/19/1986
Application #:
06586532
Filing Dt:
03/05/1984
Title:
BUILD OUT CAPACITOR CIRCUIT
14
Patent #:
Issue Dt:
05/06/1986
Application #:
06590400
Filing Dt:
03/19/1984
Title:
COUPLING/DECOUPLING CAPACITOR MULTIPLIER
15
Patent #:
Issue Dt:
09/09/1986
Application #:
06620359
Filing Dt:
06/13/1984
Title:
SINE WAVE RING GENERATOR
16
Patent #:
Issue Dt:
10/08/1985
Application #:
06659506
Filing Dt:
10/10/1984
Title:
MINI CENTER FOR ELECTRICAL POWER DISTRIBUTION
17
Patent #:
Issue Dt:
05/10/1988
Application #:
06915165
Filing Dt:
10/03/1986
Title:
CONSTANT RESISTANCE LOSS/SLOPE FILTER CIRCUIT
18
Patent #:
Issue Dt:
07/04/1989
Application #:
07065489
Filing Dt:
06/23/1987
Title:
ECHO CANCELLER WITH RELATIVE FEEDBACK CONTROL
19
Patent #:
Issue Dt:
11/01/1988
Application #:
07133539
Filing Dt:
12/16/1987
Title:
APPARATUS FOR CONVERTING DISTINCTIVE RING TO SELECTIVE RING IN TELEPHONE LINES
20
Patent #:
Issue Dt:
08/01/1989
Application #:
07173228
Filing Dt:
03/24/1988
Title:
FAIL SAFE VOICE SYSTEM FOR INTEGRATED SERVICES FOR DIGITAL NETWORK SUBSCRIBERS
21
Patent #:
Issue Dt:
10/31/1989
Application #:
07197373
Filing Dt:
05/23/1988
Title:
ELECTRONIC SHELF ASSEMBLY
22
Patent #:
Issue Dt:
12/04/1990
Application #:
07206913
Filing Dt:
06/10/1988
Title:
FREQUENCY EQUALIZER
23
Patent #:
Issue Dt:
05/15/1990
Application #:
07346322
Filing Dt:
04/27/1989
Title:
LONGITUDINAL BALANCE SYSTEM
24
Patent #:
Issue Dt:
11/03/1992
Application #:
07522652
Filing Dt:
05/11/1990
Title:
POWER ADAPTER
25
Patent #:
Issue Dt:
08/17/1993
Application #:
07694124
Filing Dt:
05/01/1991
Title:
ENHANCED SYNCHRONOUS RECTIFIER
26
Patent #:
Issue Dt:
02/22/1994
Application #:
07869875
Filing Dt:
04/16/1992
Title:
DC-DC POWER CONVERTER INCLUDING SENSING MEANS FOR PROVIDING AN OUTPUT WHEN THE RESERVE POWER OF THE CONVERTER FALLS BELOW A PREDETERMINED AMOUNT FOR A GIVEN INPUT VOLTAGE
27
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
28
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
29
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
30
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
31
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
32
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
33
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
34
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
35
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
36
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
37
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
38
Patent #:
Issue Dt:
Application #:
UNAVAILABLE
Filing Dt:
Title:
Assignor
1
Exec Dt:
09/08/1992
Assignee
1
120 S. LASALLE STREET
CHICAGO, ILLINOIS 60603
Correspondence name and address
MONICA A. CARROLL
ROSS & HARDIES
150 N. MICHIGAN AVE.
SUITE 2500
CHICAGO, IL 60601

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