Patent Assignment
Reel/Frame 013998/0549
Change of Name
Recorded: 2003-04-28
Pages: 5
Assignor
HT CHEMICALS, INC.
Executed: 1991-09-13
Assignee
MODCOL CORPORATION
155 EAST MAIN STREET, SUITE 150, MORGAN HLL, CALIFORNIA, 95037
Covered Property
(1)
Zero Void Column End Plate for Chromatography
Patent:
5,013,433 →
Application:
07/419,086 →
Related Assignments
(5)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective on 08/19/1991
Mar 31, 1992
From: HT CHEMICALS, INC.
To: MODCOL CORPORATION
Reel/Frame 006059/0832 →
Merger
Aug 4, 2004
From: MODCOL CORPORATION
To: THE SEPARATIONS GROUP
Reel/Frame 014934/0720 →
Merger
Mar 17, 2005
From: THE SEPARATIONS GROUP
To: THE SEPARATIONS GROUP
Reel/Frame 015788/0264 →
Merger
Mar 24, 2005
From: ALLTECH ASSOCIATES INC.
To: ALLTECH ASSOCIATES INC.
Reel/Frame 015810/0776 →
To Correct Assignment
Mar 25, 2005
From: THE SEPARATIONS GROUP
To: ALLTECH ASSOCIATES INC.
Reel/Frame 015819/0353 →