Patent Assignment
Reel/Frame 004591/0445
Assignment of Assignors Interest.
Recorded: 1986-08-18
Pages: 2
Assignor
PERMA TUBES LTD. A CORP. OF ONTARIO, CANADA
Executed: 1986-07-31
Assignee
PERMA TUBES LTD., A CORP. OF NORTH CAROLINA
3221 A WELLINGTON COURT, RALEIGH, NORTH CAROLINA, 27609
Covered Properties
(2)
Plastic Lined Paper Form for Casting Concrete Columns
Patent:
4,595,168 →
Application:
06/583,165 →
Concrete Forming Method
Application:
06/853,375 →
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignors Interest.
Feb 24, 1984
From: GOODWIN, PAUL
To: PERMA TUBES LTD.
Reel/Frame 004233/0705 →
Assignment of Assignors Interest.
Feb 23, 1989
From: PERMA TUBES, INC.
To: PERMA TUBES, LTD., A CORP. OF ONTARIO CANADA
Reel/Frame 005020/0835 →
Assignment of Assignor's Interest
Dec 18, 2000
From: PERMA TUBES LTD.
To: PERMA TUBES AND CORES LTD.
Reel/Frame 011356/0782 →
Change of Name
Apr 26, 2001
From: PERMA TUBES AND CORES LTD.
To: NEWARK PAPERBOARD PRODUCTS, LTD.
Reel/Frame 011712/0759 →