Granted Patent
Utility
US 6,547,172 · App. 09/838,431
Chewing apparatus
Inventors:
Gerald Reinders, Harry Erfurt, Horst Boos, Rainer Wellmann
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Apr 19, 2001
Inventors
Gerald Reinders
Harry Erfurt
Horst Boos
Rainer Wellmann
Assignee (at issue)
Haarmann & Reimer Corporation
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.