Granted Patent
Utility
US 6,592,063 · App. 09/970,044
Chucking confirming method
Inventors:
Naoki Tatsumi, Kazuya Tamura, Jimmy Zweighaft
Patented Case
View Patent ↗
Granted: Jul 15, 2003
Filed: Oct 2, 2001
Inventors
Naoki Tatsumi
Kazuya Tamura
Jimmy Zweighaft
Assignees (at issue)
MITSUMI ELECTRIC CO., LTD.
Benchmark Storage Innovations, Inc.
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.