Granted Patent
Utility
US 4,804,864 · App. 07/023,179
Multiphase CMOS toggle flip-flop
Inventor:
John R. Spence
Patented Case
View Patent ↗
Granted: Feb 14, 1989
Filed: Mar 9, 1987
Inventor
John R. Spence
Assignee (at issue)
Rockwell International 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.