Granted Patent
Utility
US 6,447,086 · App. 09/449,038
Method and apparatus for achieving controlled RF switching ratios to maintain thermal uniformity in the acoustic focal spot of an acoustic ink printhead
Inventors:
Lamar T. Baker, Steven A. Buhler, Scott A. Elrod, William F. Gunning, Babur B. Hadimioglu, Abdul M. El Hatem, Joy Roy, Richard G. Stearns
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Nov 24, 1999
Inventors
Lamar T. Baker
Steven A. Buhler
Scott A. Elrod
William F. Gunning
Babur B. Hadimioglu
Abdul M. El Hatem
Joy Roy
Richard G. Stearns
Assignee (at issue)
Xerox Corporation
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.