Granted Patent
Utility
US 5,989,234 · App. 08/783,177
Device and system for draining a body cavity and methods related thereto
Inventors:
Michael A. Valerio, Trinh Phung, Anthony R. Carlone, Victor E. Santos, Lawrence F. Travers
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Jan 14, 1997
Inventors
Michael A. Valerio
Trinh Phung
Anthony R. Carlone
Victor E. Santos
Lawrence F. Travers
Assignee (at issue)
Deknatel Technology Corporation
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.