Granted Patent
Utility
US 5,219,033 · App. 07/739,383
Tractor for aircraft
Inventors:
Jurgen Pollner, Gregor Trummer, Peter Molzer
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Aug 1, 1991
Inventors
Jurgen Pollner
Gregor Trummer
Peter Molzer
Assignee (at issue)
KraussMaffei GmbH
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.