Granted Patent
Utility
US 6,203,516 · App. 08/915,991
Phacoemulsification device and method for using dual loop frequency and power control
Inventor:
Kevin P. Kepley
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Aug 21, 1997
Inventor
Kevin P. Kepley
Assignee (at issue)
Bausch & Lomb Surgical, 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.