Granted Patent
Utility
US 6,832,384 · App. 10/269,065
Turntable assembly having disc centering lead springs clamped between upper surface of turntable and an insert-type spring holder
Inventor:
Tsuyoshi Yamaguchi
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Oct 11, 2002
Inventor
Tsuyoshi Yamaguchi
Assignees (at issue)
SANYO ELECTRIC CO., LTD.
Sanyo Seimitsu 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.