Granted Patent
Utility
US 5,221,255 · App. 07/776,873
Reinforced multiple lumen catheter
Inventors:
Sakharam D. Mahurkar, Smriti S. Mahurkar
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Oct 16, 1991
Inventors
Sakharam D. Mahurkar
Smriti S. Mahurkar
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.