Granted Patent
Utility
US 4,312,475 · App. 06/201,226
Flow adjustment mechanism for air distributor systems
Inventors:
Douglas F. Edwards, Ronald Zimmer, Raymond H. Dean
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Oct 27, 1980
Inventors
Douglas F. Edwards
Ronald Zimmer
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.