Granted Patent
Utility
US 6,807,332 · App. 09/884,702
Piezoelectric actuated optical switch
Inventor:
Muhammad A. Hawwa
Patented Case
View Patent ↗
Granted: Oct 19, 2004
Filed: Jun 19, 2001
Inventor
Muhammad A. Hawwa
Assignee (at issue)
WESTERN DIGITAL (FREMONT), 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.