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Patent Assignment Abstract of Title
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Total Assignments: 4
Patent #:
Issue Dt:
08/21/1984
Application #:
06405061
Filing Dt:
08/04/1982
Inventors:
ROBERT R. HEILMAN, HOWARD J. MC ELROY
Title:
DUCT CONNECTING SYSTEM
Assignment: 1
Reel/Frame:
004264/0885Recorded: 06/08/1984Pages: 1
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
07/30/1982
Exec Dt:
07/30/1982
Assignees:
711 OGDEN AVE.
A CORP. OF IL
LISLE, ILLINOIS
CEDAR RAPIDS, IOWA 52402
Correspondent:
MC DOUGALL, HERSH AND SCOTT
135 SOUTH LA SALLE ST.
CHICAGO, IL 60603
Assignment: 2
Reel/Frame:
004358/0037Recorded: 02/06/1985Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
01/21/1985
Exec Dt:
01/21/1985
Assignee:
5480 SIXTH ST., S.W.
A DE CORP
CEDAR RAPIDS, IOWA 52404
Correspondent:
MC DOUGALL, HERSH AND SCOTT
135 SOUTH LA SALLE ST.
CHICAGO, IL 60603
Assignment: 3
Reel/Frame:
005681/0348Recorded: 04/02/1991Pages: 8
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
02/14/1991
Assignee:
ILLINOIS
Correspondent:
CHAPMAN & CUTLER
111 WEST MONROE STREET
CHICAGO, ILLINOIS 60603
Assignment: 4
Reel/Frame:
011712/0733Recorded: 03/28/2001Pages: 4
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
10/27/2000
Assignee:
5480 6TH STREET, SW
CEDAR RAPIDS, IOWA 52404
Correspondent:
THEODORE A. BREINER
P.O. BOX 19290
ALEXANDRIA, VA 22320

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