Granted Patent
Utility
US 5,151,639 · App. 07/652,822
System for positioning a transducer
Inventors:
Susumi Hasegawa, Yoshifumi Mizoshita, Kazuhiko Takaishi
Patented Case
View Patent ↗
Granted: Sep 29, 1992
Filed: Feb 8, 1991
Inventors
Susumi Hasegawa
Yoshifumi Mizoshita
Kazuhiko Takaishi
Assignee (at issue)
Fujitsu Limited
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.