Granted Patent
Utility
US 5,734,521 · App. 08/504,133
Moisture-absorbent element for disk drives
Inventors:
Yoshihito Fukudome, Yoshinao Harada, Hiroaki Ando
Patented Case
View Patent ↗
Granted: Mar 31, 1998
Filed: Jul 19, 1995
Inventors
Yoshihito Fukudome
Yoshinao Harada
Hiroaki Ando
Assignee (at issue)
International Business Machines Corporation
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.