Granted Patent
Utility
US 6,604,004 · App. 09/971,315
Device and method for treatment of gastroesophageal reflux disease
Inventors:
Brian D. Zelickson, Robert A. Ganz
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Oct 4, 2001
Inventors
Brian D. Zelickson
Robert A. Ganz
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.