Patent Assignment
Reel/Frame 005900/0915
Assignment of Assignors Interest.
Recorded: 1991-11-08
Pages: 5
Assignee
Covered Property
(1)
Composition and Method for Isolation and Purification of Immunoglobulin M
Patent:
5,112,952 →
Application:
07/589,409 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 5, 2004
From: PIERCE CHEMICAL COMPANY
To: PIERCE BIOTECHNOLOGY, INC.
Reel/Frame 014845/0752 →
Change of Name
Jan 7, 2004
From: PIERCE CHEMICAL COMPANY
To: PIERCE BIOTECHNOLOGY, INC.
Reel/Frame 014934/0359 →
Security Interest
Jan 29, 2004
From: PIERCE BIOTECHNOLOGY, INC.
To: DEUTSCHE BANK AG, NEW YORK BRANCH
Reel/Frame 015008/0214 →
Release of Security Interest
Aug 2, 2004
From: DEUTSCHE BANK AG NEW YORK BRANCH
To: PIERCE BIOTECHNOLOGY, INC.; HYCLONE LABORATORIES, INC.
Reel/Frame 015756/0294 →