Granted Patent
Utility
US 4,394,111 · App. 06/301,080
Top cover, motor, fan and fan shroud assembly for an air conditioning unit
Inventors:
John Wiese, Russell W. Hoeffken
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Sep 11, 1981
Inventors
John Wiese
Russell W. Hoeffken
Assignee (at issue)
Snyder General 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.