Granted Patent
Utility
US 6,517,716 · App. 09/764,921
Sealing means for filter envelopes
Inventor:
James R. Munson
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Jan 18, 2001
Inventor
James R. Munson
Assignee (at issue)
The Dallas Group of America, 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.