Granted Patent
Utility
US 6,450,432 · App. 09/657,860
Tape cartridge
Inventors:
Hiroshi Kaneda, Masatoshi Okamura, Shinichi Sato
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Sep 8, 2000
Inventors
Hiroshi Kaneda
Masatoshi Okamura
Shinichi Sato
Assignee (at issue)
TDK 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.