Granted Patent
Utility
US 6,749,421 · App. 10/071,703
Patty-forming apparatus
Inventor:
Glenn Sandberg
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Feb 8, 2002
Inventor
Glenn Sandberg
Assignee (at issue)
Formax, 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.