IP Library › Granted Patent US 7,542,146
Granted Patent B2
US 7,542,146 · App. 11/377,050 · Granted Jun 2, 2009

High intensity fabry-perot sensor

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Quick Facts
Patent No.
US 7,542,146
App. No.
11/377,050
Granted
Jun 2, 2009
Kind
B2
Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 26, 2009
From: DAVIDSON ENERGY, INC.; DAVIDSON INSTRUMENTS, INC.
To: HALLIBURTON ENERGY SERVICES, INC.
Reel/Frame 022157/0305 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 17, 2006
From: GIBLER, WILLIAM N.; JEFFERS, LARRY A.; LOPUSHANSKY, RICHARD L.
To: DAVIDSON INSTRUMENTS INC.
Reel/Frame 018125/0436 →