Granted Patent
Utility
US 5,843,091 · App. 08/794,162
Extension regulator for catheter carried medical instruments
Inventors:
Damond C. Holsinger, Edward B. Madsen
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Feb 3, 1997
Inventors
Damond C. Holsinger
Edward B. Madsen
Assignee (at issue)
Ballard Medical Products
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.