Granted Patent
Utility
US 6,605,037 · App. 09/179,008
Endoscopic inflatable retraction device
Inventors:
Frederic H. Moll, Charles Gresl, Albert K. Chin, Philip K. Hopper
Patented Case
View Patent ↗
Granted: Aug 12, 2003
Filed: Oct 26, 1998
Inventors
Frederic H. Moll
Charles Gresl
Albert K. Chin
Philip K. Hopper
Assignee (at issue)
SHERWOOD SERVICES AG
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.