Membership
Tour
Register
Log in
Michael Kallergis
Follow
Person
Brunswick, DE
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Propeller whose blades are provided with slats
Patent number
4,840,540
Issue date
Jun 20, 1989
Deutsche Forchungs- und Versuchsanstalt fur Luft- und Raumfahrt e.V.
Michael Kallergis
B64 - AIRCRAFT AVIATION COSMONAUTICS