Granted Patent
Utility
US 6,457,653 · App. 09/790,400
Blowerless air conditioning system
Inventor:
Bradley Campbell
Patented Case
View Patent ↗
Granted: Oct 1, 2002
Filed: Feb 21, 2001
Inventor
Bradley Campbell
Assignee (at issue)
Nordyne 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.