IP Library › Assignment 025808/0530
Patent Assignment
Reel/Frame 025808/0530

Assignment of Assignor's Interest

Recorded: 2011-02-15 Pages: 3
Assignor
ZHOU, TIANSHENG
Executed: 2011-02-11
Assignee
PRECISELEY MICROTECHNOLOGY CORP.
1118 LINCOLN CRESCENT, EDMONTON, ALBERTA, T6R3B2, CANADA
Covered Property (1)
Fiber Optic Mems Seismic Sensor with Mass Supported by Hinged Beams
Patent: 7,743,661 →
Application: 11/705,224 →
Publication: US 2009/0056447
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Nov 12, 2007
From: DAVIDSON INSTRUMENTS INC.
To: DAVIDSON ENERGY INC.
Reel/Frame 020095/0589 →
Assignment of Assignor's Interest Jan 26, 2009
From: DAVIDSON ENERGY, INC.; DAVIDSON INSTRUMENTS, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 022157/0305 →
Assignment of Assignor's Interest Mar 5, 2009
From: BERTHOLD, JOHN W.
To: DAVIDSON INSTRUMENTS, INC.
Reel/Frame 022349/0474 →