Granted Patent
Utility
US 6,432,085 · App. 09/521,438
Self-retaining surgical access instrument
Inventors:
Gene A. Stellon, David C. Racenet
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Mar 7, 2000
Inventors
Gene A. Stellon
David C. Racenet
Assignee (at issue)
Tyco Healthcare Group LP
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.