Granted Patent
Utility
US 4,813,624 · App. 07/086,058
Overhead releasable elevating spindle drive for a rotary food processing tool
Inventor:
James E. Williams
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Aug 14, 1987
Inventor
James E. Williams
Assignee (at issue)
Cuisinarts, 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.