Granted Patent
Utility
US 4,568,017 · App. 06/691,407
Support flap for molded tray
Inventor:
Bernd G. Grunert
Patented Case
View Patent ↗
Granted: Feb 4, 1986
Filed: Jan 14, 1985
Inventor
Bernd G. Grunert
Assignee (at issue)
IVEX
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.