Granted Patent
Utility
US 5,462,800 · App. 08/169,751
Silicon carbide coated carbon composite material and method for making same
Inventors:
Hiraku Yamazaki, Teruo Sugai, Shigeo Kato, Haruo Tazoe, Shiroh Hotate, Iwao Goto
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Dec 20, 1993
Inventors
Hiraku Yamazaki
Teruo Sugai
Shigeo Kato
Haruo Tazoe
Shiroh Hotate
Iwao Goto
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.