Granted Patent
Utility
US 6,029,300 · App. 09/144,087
Spin extractor
Inventors:
Tomonari Kawaguchi, Kiyoyuki Suo
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Aug 31, 1998
Inventors
Tomonari Kawaguchi
Kiyoyuki Suo
Assignee (at issue)
SANYO ELECTRIC 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.