Granted Patent
Utility
US 6,315,215 · App. 09/500,106
Apparatus and method for ultrasonically self-cleaning an orifice
Inventors:
Lamar Heath Gipson, Bernard Cohen, Lee Kirby Jameson
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Feb 8, 2000
Inventors
Lamar Heath Gipson
Bernard Cohen
Lee Kirby Jameson
Assignee (at issue)
Kimberly-Clark Worldwide, 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.