Granted Patent
Utility
US 4,763,240 · App. 07/082,105
Polyphase power adapter for frequency reduction
Inventor:
Earl Voss
Patented Case
View Patent ↗
Granted: Aug 9, 1988
Filed: Aug 6, 1987
Inventor
Earl Voss
Assignee (at issue)
Diversified Electronics LLC
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.