IP Library › Assignment 023390/0099
Patent Assignment
Reel/Frame 023390/0099

Assignment of Assignor's Interest

Recorded: 2009-10-19 Pages: 3
Assignor
ERC INDUSTRIES
Executed: 2009-09-10
Assignee
STREAM-FLO INDUSTRIES LTD
4505 - 74 AVENUE, EDMONTON, ALBERTA, T6B 2H5, CANADA
Covered Properties (2)
Tubing Hanger with Ball Valve in Production String
Patent: 7,275,591 →
Application: 11/226,894 →
Publication: US 2006/0060348
Tubing hanger with ball valve in production string
Application: 60/609,931 →
Related Assignments (2)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 16, 2004
From: ALLEN, GREGORY WAYNE; CHIN, MEN FUNG
To: ERC INDUSTRIES
Reel/Frame 015381/0586 →
Assignment of Assignor's Interest Dec 2, 2005
From: ALLEN, GREGORY WAYNE; CHIN, MEN FUNG
To: ERC INDUSTRIES
Reel/Frame 016845/0517 →