Granted Patent
Utility
US 6,802,879 · App. 10/073,724
Vacuum collection bag and method of operation
Inventor:
John J. Scanlon
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Feb 11, 2002
Inventor
John J. Scanlon
Assignee (at issue)
Gore Enterprise Holdings, 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.