Granted Patent
Utility
US 4,628,702 · App. 06/768,063
Exhaust apparatus for recreational vehicle air conditioner
Inventor:
Bruce Boxum
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Aug 22, 1985
Inventor
Bruce Boxum
Assignee (at issue)
The Coleman Company, 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.