Granted Patent
Utility
US 5,660,341 · App. 08/601,666
Rotary grater
Inventors:
Nancy Jane Perkins, Karen Wolters
Patented Case
View Patent ↗
Granted: Aug 26, 1997
Filed: Feb 15, 1996
Inventors
Nancy Jane Perkins
Karen Wolters
Assignee (at issue)
The Pampered Chef, Ltd.
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.