Granted Patent
Utility
US 6,768,040 · App. 09/536,649
Wound dressing for treating injury to nasal passages
Inventors:
Robert W. Sessions, Richard A. Rodzen
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Mar 27, 2000
Inventors
Robert W. Sessions
Richard A. Rodzen
Assignee (at issue)
Ferris Pharmaceuticals, 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.