Granted Patent
Utility
US 6,454,537 · App. 09/828,673
Fan grill construction
Inventors:
James B. Perella, Rodney Wilson
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Apr 9, 2001
Inventors
James B. Perella
Rodney Wilson
Assignee (at issue)
LASKO 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.