Granted Patent
Utility
US 6,428,592 · App. 09/808,356
Furnace with a panel and filter assembly
Inventors:
Thomas D. Chase, James J. Hopper, II
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Mar 15, 2001
Inventors
Thomas D. Chase
James J. Hopper, II
Assignee (at issue)
York International Corporation
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.