Granted Patent
Utility
US 5,892,431 · App. 08/082,087
Power multiplexer for broadband communications systems
Inventor:
Thomas S. Osterman
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: May 20, 1998
Inventor
Thomas S. Osterman
Assignee (at issue)
ALPHA TECHNOLOGIES LTD.
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.