Granted Patent
Utility
US 6,078,474 · App. 09/069,882
Ramp for use with a data storage device and a data storage device
Inventors:
Ichiroh Koyanagi, Yuji Kobayashi, Fuminori Sai, Thomas R. Albrecht
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Apr 29, 1998
Inventors
Ichiroh Koyanagi
Yuji Kobayashi
Fuminori Sai
Thomas R. Albrecht
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.