Granted Patent
Utility
US 6,705,100 · App. 10/438,617
Purge
Inventors:
Richard M. Heiden, Robert Roth, Brian T. Sullivan, Steven E. Wolfgram
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: May 15, 2003
Inventors
Richard M. Heiden
Robert Roth
Brian T. Sullivan
Steven E. Wolfgram
Assignee (at issue)
American Standard International 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.