Patent Assignment
Reel/Frame 005408/0646
Assignment of Assignors Interest.
Recorded: 1990-06-22
Pages: 4
Assignee
Y. T. LI ENGINEERING, INC.
513 NAGOG SQUARE, A CORP. OF MA, ACTON, MASSACHUSETTS, 01720
Covered Property
(1)
Chromatographic Cel Contactor and Process
Patent:
5,013,446 →
Application:
07/514,097 →
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Exclusive License
Nov 18, 1997
From: Y.T. LI ENGINEERING, INC., A MASSACHUSETTS CORP.
To: AQUA-CHEM, INC., A DELAWARE CORPORATION
Reel/Frame 008800/0949 →
Change of Name
Nov 18, 1997
From: AQUA-CHEM, INC., A/K/A AQUA CHEM, INC., A/K/A AQUA-CHEM, A/K/A AQUA-CHEM INCORPORATED, F/K/A AQUA-CHEM HOLDING, INC., A/K/A AQUA CHEM HOLDING, INC. (MERGED INTO); A-C ACQUISITION CORP.
To: AQUA-CHEM, INC.
Reel/Frame 008800/0957 →
Security Interest
Nov 18, 1997
From: AQUA-CHEM, INC. A/K/A AQUA CHEM, INC., A/K/A AQUA-CHEM, A/K/A AQUA-CHEM INCORPORATED, F/K/A AQUA-CHEM HOLDING, INC. A/K/A AQUA CHEM HOLDING, INC. WHICH MERGED INTO A-C ACQUISITION CORP. AND IS NOW ACQUA-CHEM., INC.
To: COMERICA BANK
Reel/Frame 008800/0979 →