Patent Assignment
Reel/Frame 013146/0495
Assignment of Assignor's Interest
Recorded: 2002-08-06
Pages: 3
Assignor
ECOTECH SYSTEMS INTERNATIONAL, LTD.
Executed: 2002-06-07
Assignee
ECOTECHNOLOGY, LTD.
4231 S. NATCHES COURT, UNIT A, SHERIDAN, COLORADO, 80110
Covered Properties
(3)
Flow Development Chamber for Creating a Vertex Flow and a Laming Flow
Patent:
6,155,751 →
Application:
08/989,186 →
Flow Development Chamber
Patent:
6,749,374 →
Application:
09/618,695 →
Flow Development Chamber
Related Assignments
(4)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
May 11, 1998
From: LANE, DARIN L.; PRINCE, WALTER D.
To: ECOTECH SYSTEMS INTERNATIONAL, LTD.
Reel/Frame 009175/0767 →
Assignment of Assignor's Interest
Mar 5, 2002
From: PRINCE, WALTER D.; LANE, DARIN L.; MILLER, ALAN
To: ECOTECH SYSTEMS INTERNATIONAL, LTD.
Reel/Frame 012659/0085 →
Assignment of Assignor's Interest
Nov 18, 2008
From: ECOTECHNOLOGY, LTD.
To: SPIROFLO, INC.
Reel/Frame 021849/0509 →
Change of Name
Jul 13, 2011
From: SPIROFLO, INC.
To: SPIROFLO HOLDINGS, INC.
Reel/Frame 026587/0579 →