Granted Patent
Utility
US 4,371,313 · App. 06/092,506
Miniature diagonal blower with axial flow inlet and radial flow outlet
Inventors:
Martin Burgbacher, Siegfried Harmsen, Georg Papst
Patented Case
View Patent ↗
Granted: Feb 1, 1983
Filed: Nov 8, 1979
Inventors
Martin Burgbacher
Siegfried Harmsen
Georg Papst
Assignee (at issue)
Papst Motoren GmbH & Co KG
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.