Lighter-than-air flying craft and method for counterbalancing the flying craft and for setting down load fastened to the same
A Standard patent application filed on 24 May 2000 credited to Hoffmann, Bernd
;
Knauer, Berthold
Details
Application number :
58093
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Lighter-than-air flying craft and method for counterbalancing the flying craft and for setting down load fastened to the same