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Patent Assignment Abstract of Title
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Total Assignments: 7
Patent #:
Issue Dt:
12/17/1985
Application #:
06552098
Filing Dt:
11/16/1983
Inventors:
DAVID E. DAW, ARTHUR F. VLASTNIK
Title:
DUCT ASSEMBLY SYSTEM
Assignment: 1
Reel/Frame:
004199/0175Recorded: 11/16/1983Pages: 2
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors:
Exec Dt:
10/20/1983
Exec Dt:
10/20/1983
Assignee:
CALIFORNIA
Correspondent:
EMRICH & LEE AND BROWN, HILL, DITHMAR,
STOTLAND, STRATMAN & LEVY
STE. 3000
150 NORTH WACKER DRIVE
CHICAGO, IL 60606
Assignment: 2
Reel/Frame:
004499/0432Recorded: 01/23/1986Pages: 4
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST.
Assignor:
Exec Dt:
01/10/1986
Assignee:
A CORP OF PENNSYLVANIA
NOT PROVIDED
Correspondent:
BUCHANAN INGERSOLL
57TH FLR.
600 GRANT STREET
PITTSBURGH, PA 15219
Assignment: 3
Reel/Frame:
005566/0089Recorded: 12/27/1990Pages: 7
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/14/1990
Assignee:
Correspondent:
NANCY L. NELSON
JENNER & BLOCK
ONE IBM PLAZA
CHICAGO, IL 60611
Assignment: 4
Reel/Frame:
005573/0032Recorded: 01/11/1991Pages: 10
Conveyance:
SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
12/14/1990
Assignee:
Correspondent:
ROSE, SCHMIDT, HASLEY & DISALLE
900 OLIVER BLDG.
PITTSBURGH, PA 15222-5399
Assignment: 5
Reel/Frame:
006856/0059Recorded: 10/20/1993Pages: 16
Conveyance:
MERGER (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
03/16/1993
Assignee:
300 FOURTH AVENUE
PITTSBURGH, PENNSYLVANIA 15278
Correspondent:
DICKIE, MCCAMEY & CHILCOTE, PC
BARRY I. FRIEDMAN, ESQ.
TWO PPG PLACE, SUITE 400
PITTSBURGH, PA 15222
Assignment: 6
Reel/Frame:
006737/0814Recorded: 10/20/1993Pages: 10
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/27/1993
Assignee:
801 PENN AVENUE
PITTSBURGH, PENNSYLVANIA 15222
Correspondent:
DICKIE, MCCAMEY & CHILCOTE, P.C.
BARRY I. FRIEDMAN, ESQ.
TWO PPG PLACE, SUITE 400
PITTSBURGH, PA 15222
Assignment: 7
Reel/Frame:
007588/0733Recorded: 08/18/1995Pages: 11
Conveyance:
ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor:
Exec Dt:
08/08/1995
Assignee:
300 FOURTH AVENUE
PITTSBURGH, PENNSYLVANIA 15278
Correspondent:
DICKIE, MCCAMEY & CHILCOTE, P.C.
BARRY I. FRIEDMAN, ESQ.
TWO PPG PLACE, STE. 400
PITTSBURGH, PA 15222

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