Granted Patent
Utility
US 6,549,488 · App. 09/901,752
Fiber-optic hydrophone
Inventors:
Steve Maas, D. Richard Metzbower
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Jul 10, 2001
Inventors
Steve Maas
D. Richard Metzbower
Assignee (at issue)
PGS Americas, Inc.
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.