Granted Patent
Utility
US 6,283,421 · App. 09/393,081
Instrument support system
Inventors:
Donald H. Eason, Robin Richard Slaton, Douglas A. Kempel
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Sep 9, 1999
Inventors
Donald H. Eason
Robin Richard Slaton
Douglas A. Kempel
Assignee (at issue)
Ultimate Support Systems, Inc.
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.