Granted Patent
Utility
US 4,659,009 · App. 06/719,743
Environmental control system with humidity control and method
Inventor:
Alfred T. Newell, III
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Apr 4, 1985
Inventor
Alfred T. Newell, III
Assignee (at issue)
A. T. Newell Co. 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.