Granted Patent
Utility
US 6,450,987 · App. 09/775,708
Collapsible guidewire lumen
Inventor:
Hans W. Kramer
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Feb 1, 2001
Inventor
Hans W. Kramer
Assignee (at issue)
Innercool Therapies, 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.