Patent Assignment
Reel/Frame 006348/0996
Change of Name Effective on 09/13/1991
Recorded: 1992-11-03
Pages: 2
Assignor
HT CHEMICALS, INC.
Executed: 1991-09-13
Assignee
MODCOL CORPORATION
4221 FOREST PARK BLVD., ST. LOUIS, MISSOURI, 63108
Covered Property
(1)
Slurry Compressor, Apparatus for Guiding Compresser, and Method for Packing Slurry in Column
Patent:
5,192,433 →
Application:
07/870,217 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →