Granted Patent
Utility
US 5,935,261 · App. 08/869,439
Method and apparatus for detecting handling damage in a disk drive
Inventors:
Michael David Blachek, Michael Neumann, Gordon James Smith, Peter James Wachowiak
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Jun 5, 1997
Inventors
Michael David Blachek
Michael Neumann
Gordon James Smith
Peter James Wachowiak
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.