Granted Patent
Utility
US 6,532,386 · App. 09/385,284
Electrotransort device comprising blades
Inventors:
Ying Sun, Ralph W. Oakeson, Stephen J. Wisniewski, Jonas C. T. Wang, Susan Niemiec
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Aug 30, 1999
Inventors
Ying Sun
Ralph W. Oakeson
Stephen J. Wisniewski
Jonas C. T. Wang
Susan Niemiec
Assignee (at issue)
Johnson & Johnson Consumer 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.