Granted Patent
Utility
US 6,280,686 · App. 09/172,638
Control of health hazards in an air handler
Inventors:
Robert Scheir, Forrest B. Fencl
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Oct 14, 1998
Inventors
Robert Scheir
Forrest B. Fencl
Assignee (at issue)
Steril-Aire USA, 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.