Granted Patent
Utility
US 5,897,534 · App. 08/705,181
Body fluids and solids drainage system
Inventors:
Warren P. Heim, James Brassell
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Aug 29, 1996
Inventors
Warren P. Heim
James Brassell
Assignee (at issue)
Team Medical, LLC
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.