Granted Patent
Utility
US 5,459,855 · App. 07/927,754
Frequency ratio detector for determining fixed frequency ratios in a computer system
Inventor:
Charles Lelm
Patented Case
View Patent ↗
Granted: Oct 17, 1995
Filed: Aug 10, 1992
Inventor
Charles Lelm
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.