Patent Assignment
Reel/Frame 004289/0875
Assignment of Assignors Interest.
Recorded: 1984-07-19
Pages: 1
Assignor
KOELSCH, LESTER M.
Executed: 1984-07-13
Assignee
ENVIREX INC.
A NV CORP., NOT PROVIDED
Covered Property
(1)
Rotating Biological Contactor
Patent:
4,549,962 →
Application:
06/632,358 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Interest
May 8, 1987
From: REXNORD INC.
To: WILMINGTON TRUST COMPANY, RODNEY SQUARE NORTH, WILMINGTON DELAWARE 19890, A CORP. OF DE.; WADE, WILLIAM J., RODNEY SQUARE NORTH, WILMINGTON DELAWARE 19890, TRUSTEE
Reel/Frame 004817/0047 →
Assignment of Assignors Interest.
Aug 24, 1988
From: REXNORD, INC.
To: ENVIREX INC., A CORP. OF DE
Reel/Frame 004941/0291 →
Security Interest
Aug 25, 1988
From: ENVIREX INC.
To: WILMINGTON TRUST COMPANY AND WADE, WILLIAM J., TRUSTEE
Reel/Frame 004976/0352 →
Released by Secured Party Release by Secured Party, Previously Recorded on August 25, 1988 Reel 4976 Frame 352
Dec 3, 1990
From: WILMINGTON TRUST COMPANY
To: WADE WILLIAM J.
Reel/Frame 005527/0321 →
Assignment of Assignors Interest.
Dec 5, 1990
From: WILLIAM J. WADE, AS TRUSTEE
To: ENVIREX INC., A CORP OF DE
Reel/Frame 005518/0862 →
Release and Reassignment of Patent and License Agreement
Dec 23, 2002
From: WILMINGTON TRUST COMPANY; WADE, WILLIAM J.
To: REXNORD INC.
Reel/Frame 013570/0677 →