Granted Patent
Utility
US 5,491,608 · App. 08/474,092
Shockproof and portable disk storage apparatus having shock absorbers on all sides of a head/disk enclosure and a coplanar electronic card
Inventors:
Ichiroh Koyanagi, Makoto Ohtuki, Fumitomo Ohsawa, Takayuki Satoh
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Jun 7, 1995
Inventors
Ichiroh Koyanagi
Makoto Ohtuki
Fumitomo Ohsawa
Takayuki Satoh
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.