Granted Patent
Utility
US 5,515,420 · App. 08/513,634
Cordless telephone apparatus
Inventors:
Shinichi Urasaka, Takeharu Sakata
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Aug 10, 1995
Inventors
Shinichi Urasaka
Takeharu Sakata
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.