Granted Patent
Utility
US 6,452,221 · App. 09/668,120
Enhancement mode device
Inventors:
Richard Lai, Ronald W. Grundbacher, Yaochung Chen, Michael E. Barsky
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Sep 21, 2000
Inventors
Richard Lai
Ronald W. Grundbacher
Yaochung Chen
Michael E. Barsky
Assignee (at issue)
TRW Limited
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.