Granted Patent
Utility
US 5,694,490 · App. 08/563,066
System and method for a simultaneous multi-band block-stop filter
Inventors:
Stephen K. Howell, Liang He
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Nov 27, 1995
Inventors
Stephen K. Howell
Liang He
Assignee (at issue)
Sun Microsystems 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.