Granted Patent
Utility
US 6,041,975 · App. 09/140,987
Dispensing package for viscous liquid product
Inventor:
Frank Flak
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Aug 27, 1998
Inventor
Frank Flak
Assignee (at issue)
Owens-Brockway Plastic 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.