Granted Patent
Utility
US 5,990,721 · App. 08/914,608
High-speed synchronous clock generated by standing wave
Inventor:
Richard Mellitz
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Aug 18, 1997
Inventor
Richard Mellitz
Assignee (at issue)
NCR Corporation
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.