Granted Patent
Utility
US 6,409,021 · App. 09/639,594
Food serving tray
Inventors:
Richard L. Ramirez, Mark A. Bergeron
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Aug 16, 2000
Inventors
Richard L. Ramirez
Mark A. Bergeron
Assignee (at issue)
Tekni-Plex, 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.