Granted Patent
Utility
US 5,407,433 · App. 08/015,765
Gas-tight seal accommodating surgical instruments with a wide range of diameters
Inventor:
Bryan Loomas
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Feb 10, 1993
Inventor
Bryan Loomas
Assignee (at issue)
Origin Medsystems, 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.