Granted Patent
Utility
US 5,613,619 · App. 08/549,519
Foldback cup lid having comfortable drinking characteristics
Inventor:
Hugh Van Melle
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Oct 27, 1995
Inventor
Hugh Van Melle
Assignee (at issue)
AMHIL ENTERPRISES
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.