Granted Patent
Utility
US 4,645,494 · App. 06/790,092
Peritoneal device system
Inventors:
Jeffrey A. Lee, Felix J. Martinez
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: Oct 22, 1985
Inventors
Jeffrey A. Lee
Felix J. Martinez
Assignee (at issue)
Renal Systems, 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.