Granted Patent
Utility
US 6,599,381 · App. 09/967,284
Combination ultrasonic weld horn/vacuum
Inventors:
Kevin J. Urlaub, Michael W. Keyes
Patented Case
View Patent ↗
Granted: Jul 29, 2003
Filed: Sep 28, 2001
Inventors
Kevin J. Urlaub
Michael W. Keyes
Assignee (at issue)
Hewlett-Packard Development Company, L.P.
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.