Granted Patent
Utility
US 6,799,680 · App. 10/116,981
Vacuum sealed containers
Inventor:
Chi Kin John Mak
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Apr 5, 2002
Inventor
Chi Kin John Mak
Assignee (at issue)
The Holmes Group, 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.