Granted Patent
Utility
US 5,697,173 · App. 08/683,774
Inventory control collar
Inventors:
Henry J. McCarrick, Kevin Cochrane Ross, Steven T. Ewing
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jul 17, 1996
Inventors
Henry J. McCarrick
Kevin Cochrane Ross
Steven T. Ewing
Assignee (at issue)
Span Instuments
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.