Granted Patent
Utility
US 6,573,010 · App. 09/843,487
Method and apparatus for reducing incidental exposure by using a phase shifter with a variable regulator
Inventors:
Michael E. Kling, Hua-Yu Liu
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Apr 25, 2001
Inventors
Michael E. Kling
Hua-Yu Liu
Assignee (at issue)
Numerical Technologies, 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.