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Patent Assignment Abstract of Title
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Total Assignments: 3
Patent #:
Issue Dt:
09/15/1992
Application #:
07809798
Filing Dt:
12/18/1991
Inventor:
GERALD KUHN
Title:
SONAR DETECTOR FOR EXITING PASSENGERS
Assignment: 1
Reel/Frame:
010731/0905Recorded: 04/10/2000Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/21/2000
Assignee:
SUITE 1600
120 SOUTH LASALLE STREET
CHICAGO, ILLINOIS 60603
Correspondent:
FITCH, EVEN, TABIN & FLANNERY
JOHN F. FLANNERY
120 SOUTH LASALLE STREET
SUITE 1600
CHICAGO, IL 60603-3406
Assignment: 2
Reel/Frame:
010731/0899Recorded: 04/10/2000Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
04/03/2000
Assignee:
6420 WEST HOWARD STREET
NILES, ILLINOIS 60714
Correspondent:
FITCH, EVEN, TABIN & FLANNERY
JOHN F. FLANNERY
120 SOUTH LASALLE STREET, SUITE 1600
CHICAGO, IL 60603-3406
Assignment: 3
Reel/Frame:
015908/0044Recorded: 04/15/2005Pages: 4
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/28/2001
Assignee:
1001 AIR BRAKE AVENUE
WILMERDING, PENNSYLVANIA 15148
Correspondent:
RICHARD L. BYRNE
700 KOPPERS BUILDING, 436 SEVENTH AVENUE
THE WEBB LAW FIRM
PITTSBURGH, PA 15219-1845

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