Granted Patent
Utility
US 5,753,330 · App. 08/560,549
Cylindrically shaped product
Inventors:
Taiju Terakawa, Satoshi Ogata
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Nov 17, 1995
Inventors
Taiju Terakawa
Satoshi Ogata
Assignee (at issue)
Chisso 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.