Granted Patent
Utility
US 4,356,963 · App. 06/289,497
Flow adjustment mechanism for air distribution systems
Inventors:
Douglas F. Edwards, Raymond H. Dean
Patented Case
View Patent ↗
Granted: Nov 2, 1982
Filed: Aug 3, 1981
Inventors
Douglas F. Edwards
Raymond H. Dean
Assignee (at issue)
Tempmaster 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.