Granted Patent
Utility
US 6,438,858 · App. 09/478,613
Electronic feeler gauge
Inventors:
Joseph Nelson Arnold, Jr., David C. Brower, Robert J. Heider, Herbert G. Leonard
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Jan 14, 2000
Inventors
Joseph Nelson Arnold, Jr.
David C. Brower
Robert J. Heider
Herbert G. Leonard
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.