Granted Patent
Utility
US 4,668,918 · App. 06/697,374
Low order charge-pump filter
Inventor:
Neil Adams
Patented Case
View Patent ↗
Granted: May 26, 1987
Filed: Feb 1, 1985
Inventor
Neil Adams
Assignee (at issue)
Advanced Micro Devices, 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.