Granted Patent
Utility
US 6,347,416 · App. 09/713,861
Vacuum toilet bowl assembly having a removable bowl
Inventors:
William Bruce Anderson, Mark A. Pondelick, Jay D. Stradinger, Douglas M. Wallace, Arthur J. McGowan, Jr., Michael B. Hancock, Ian Tinkler
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Nov 16, 2000
Inventors
William Bruce Anderson
Mark A. Pondelick
Jay D. Stradinger
Douglas M. Wallace
Arthur J. McGowan, Jr.
Michael B. Hancock
Ian Tinkler
Assignee (at issue)
Evac International Oy
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.