Granted Patent
Utility
US 6,406,460 · App. 09/621,097
System and method for automatic needle change warning
Inventor:
Thomas Hogan
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Jul 21, 2000
Inventor
Thomas Hogan
Assignee (at issue)
Agecom, 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.