Granted Patent
Utility
US 6,741,357 · App. 10/000,001
Quadrature phase shift interferometer with unwrapping of phase
Inventors:
Jianmin Wang, Jason L. Pressesky
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Oct 24, 2001
Inventors
Jianmin Wang
Jason L. Pressesky
Assignee (at issue)
Seagate Technology LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.