IP Library › Assignment 016845/0517
Patent Assignment
Reel/Frame 016845/0517

Assignment of Assignor's Interest

Recorded: 2005-12-02 Pages: 6
Assignors
ALLEN, GREGORY WAYNE
Executed: 2005-09-16
CHIN, MEN FUNG
Executed: 2005-09-15
Assignee
ERC INDUSTRIES
4910 - 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 Oct 19, 2009
From: ERC INDUSTRIES
To: STREAM-FLO INDUSTRIES LTD
Reel/Frame 023390/0099 →