Granted Patent
Utility
US 5,623,943 · App. 07/929,083
Magnetic medical shaft movement control device and method
Inventors:
Steven S. Hackett, Roger Hastings, Arnold W. Thornton, Darlene A. Thometz, Kenneth R. Larson
Patented Case
View Patent ↗
Granted: Apr 29, 1997
Filed: Aug 12, 1992
Inventors
Steven S. Hackett
Roger Hastings
Arnold W. Thornton
Darlene A. Thometz
Kenneth R. Larson
Assignee (at issue)
Scimed Life 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.