Granted Patent
Utility
US 6,071,343 · App. 08/743,791
Heat treatment jig and method of producing the same
Inventors:
Takeshi Inaba, Shuichi Takeda, Shigeo Kato, Yasumi Sasaki, Yukio Ito, Masanori Sato
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Nov 5, 1996
Inventors
Takeshi Inaba
Shuichi Takeda
Shigeo Kato
Yasumi Sasaki
Yukio Ito
Masanori Sato
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.