Granted Patent
Utility
US 6,607,155 · App. 09/963,405
Magnetic tape cassette
Inventors:
Satoru Takaha, Yasufumi Hashimoto
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Sep 27, 2001
Inventors
Satoru Takaha
Yasufumi Hashimoto
Assignee (at issue)
Victor Company of Japan, 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.