Granted Patent
Utility
US 4,615,663 · App. 06/716,709
Compressor with vanes made of composite material including carbon, aluminum, and aluminum carbide
Inventors:
Masahiro Iio, Yasuhiko Saruwatari, Hiroshi Yamazoe
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Mar 27, 1985
Inventors
Masahiro Iio
Yasuhiko Saruwatari
Hiroshi Yamazoe
Assignees (at issue)
Diesel Kiki Co., Ltd.
NIPPON CARBON 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.