Captive Helicopter Kite - US2429502
Arthur M. Young was issues this patent in 1947. He is, apparently, the inventor of the Bell helicopter. Full Patent.
October 01, 2006
Subscribe to:
Post Comments (Atom)
Arthur M. Young was issues this patent in 1947. He is, apparently, the inventor of the Bell helicopter. Full Patent.
0 comments:
Post a Comment