Patent Assignment
Reel/Frame 006187/0489
Assignment of Assignors Interest.
Recorded: 1992-07-20
Pages: 2
Assignor
MAXSON, RICHARD C.
Executed: 1991-06-20
Assignee
JOHNSON FILTRATION SYSTEMS INC., A CORP. OF DE
1950 OLD HIGHWAY EIGHT, NEW BRIGHTON, MINNESOTA, 55112
Covered Property
(1)
Apparatus for Uniformly Distributing Gas and/or Liquid in an Underdrain Lateral System
Patent:
5,156,738 →
Application:
07/718,954 →
Related Assignments
(7)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name
Aug 9, 1993
From: JOHNSON FILTRATION SYSTEMS INC.
To: WHEELABRATOR ENGINEERED SYSTEMS INC.
Reel/Frame 006646/0160 →
Change of Name
Sep 17, 2001
From: WHEELABRATOR ENGINEERED SYSTEMS, INC.
To: WHEELABRATOR CLEAN WATER, INC.
Reel/Frame 012188/0559 →
Assignment of Assignor's Interest
Sep 17, 2001
From: WHEELABRATOR WATER TECHNOLOLGIES, INC.
To: IP HOLDING COMPANY
Reel/Frame 012188/0568 →
Merger
Sep 17, 2001
From: WHEELABRATOR CLEAN WATER INC.
To: WHEELABRATOR WATER TECHNOLOGIES INC.
Reel/Frame 012559/0561 →
Corrective Assignment to Correct the Patent Number Previously Recorded at Reel 012188 Frame 0568. (Assignment of Assignor's Interest)
Jan 30, 2002
From: WHEELABRATOR WATER TECHNOLOGIES, INC.
To: IP HOLDING COMPANY
Reel/Frame 012569/0187 →
Document Previously Recorded at Reel 012188 Frame 0563 Contained an Error in Patent Number 5,516,738. Document Rerecorded to Correct Error on Stated Reel.
Feb 13, 2002
From: IP HOLDING COMPANY
To: UNITED STATES FILTER CORPORATION
Reel/Frame 012641/0017 →
Assignment of Assignor's Interest
Apr 13, 2005
From: UNITED STATES FILTER CORPORATION
To: WEATHERFORD/LAMB, INC.
Reel/Frame 015886/0943 →