Granted Patent
Utility
US 5,475,488 · App. 08/148,100
Head flying height measuring apparatus
Inventors:
Tadashi Fukuzawa, Teiji Hisano, Kohichi Ikarugi, Tetsuji Morita, Kohki Noda
Patented Case
View Patent ↗
Granted: Dec 12, 1995
Filed: Nov 5, 1993
Inventors
Tadashi Fukuzawa
Teiji Hisano
Kohichi Ikarugi
Tetsuji Morita
Kohki Noda
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.