Granted Patent
Utility
US 5,612,840 · App. 08/248,334
Magnetic spring arm assembly including structure for preventing damage to a conductive layer resulting from bending
Inventors:
Sinji Hiraoka, Yoshihisa Matsumoto, Isamu Itoh, Shigeo Terashima
Patented Case
View Patent ↗
Granted: Mar 18, 1997
Filed: May 24, 1994
Inventors
Sinji Hiraoka
Yoshihisa Matsumoto
Isamu Itoh
Shigeo Terashima
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.