Granted Patent
Utility
US 5,672,870 · App. 08/573,703
Mass selective notch filter with quadrupole excision fields
Inventors:
Curt A. Flory, Stuart C. Hansen, Carl A. Myerholtz
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Dec 18, 1995
Inventors
Curt A. Flory
Stuart C. Hansen
Carl A. Myerholtz
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.