Granted Patent
Utility
US 5,367,417 · App. 08/168,541
Disk drive with flow-by chemical breather filter
Inventors:
Charles A. Brown, Herman R. Wendt
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Dec 16, 1993
Inventors
Charles A. Brown
Herman R. Wendt
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.