Granted Patent
Utility
US 6,168,518 · App. 09/287,244
Vent structure with slotted rectangular outlet
Inventors:
Craig S. Messmer, Joseph F. Intagliata
Patented Case
View Patent ↗
Granted: Jan 2, 2001
Filed: Apr 7, 1999
Inventors
Craig S. Messmer
Joseph F. Intagliata
Assignee (at issue)
Unico, LLC
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.