Granted Patent
Utility
US 5,672,158 · App. 08/090,098
Catheter introducer
Inventors:
Yosuka Okada, Munehito Kurimoto
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Jul 6, 1994
Inventors
Yosuka Okada
Munehito Kurimoto
Assignee (at issue)
Sherwood Medical Company
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.