Granted Patent
Utility
US 6,433,668 · App. 08/353,572
Paging system with spacial, frequency and time diversity
Inventors:
Lawrence H. Ragan, Garold B. Gaskill
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Dec 9, 1994
Inventors
Lawrence H. Ragan
Garold B. Gaskill
Assignee (at issue)
SEIKO INSTRUMENTS 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.