Granted Patent
Utility
US 6,438,693 · App. 09/162,037
Modular broadcast receiver system and memo
Inventor:
Takehiko Nakano
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Sep 28, 1998
Inventor
Takehiko Nakano
Assignee (at issue)
SONY GROUP CORPORATION
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.