Granted Patent
Utility
US 5,823,675 · App. 08/845,349
Stepped helical scraper blade for ice cream maker
Inventor:
R. M. Scott Myerly
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Apr 25, 1997
Inventor
R. M. Scott Myerly
Assignee (at issue)
Sunbeam Products, 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.