Granted Patent
Utility
US 6,670,855 · App. 10/067,712
PLL device with plural phase comparators
Inventor:
Yasuaki Sumi
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Feb 5, 2002
Inventor
Yasuaki Sumi
Assignees (at issue)
SANYO ELECTRIC CO., LTD.
TOTTORI SANYO ELECTRIC CO., 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.