Granted Patent
Utility
US 5,804,324 · App. 08/588,512
Setting member for heating material
Inventors:
Shigeki Niwa, Hiroshi Okada, Yasuharu Okiyama, Toshiyuki Suzuki
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Jan 18, 1996
Inventors
Shigeki Niwa
Hiroshi Okada
Yasuharu Okiyama
Toshiyuki Suzuki
Assignee (at issue)
Toshiba Ceramics 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.