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Forum: Patents
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No New Posts Piasecki patents
 
Stingray 1 1678
No New Posts Wilford tailsitter VTOL aircraft
 
Stingray 2 2729
No New Posts Andrew E. Friedrich Supersonic VTOL aircraft
 
Stingray 0 1546
No New Posts General Electric tail-sitter helicopter-airplane
 
Stingray 0 1444
No New Posts Henschel Helicopter, 1939
 
Stingray 0 1470
No New Posts Edward F. Andrews composite helicopter
 
Stingray 0 1468
No New Posts Dougals tandem rotor helicopter
 
hesham 0 1475
No New Posts John K. Sanders Aerodynamically stable VTOL aircraft
 
failcopter67 0 1418
No New Posts Firestone Tire a Rubber Company
 
=hothorizon= 3 1992
No New Posts Ishida TW-68 Tiltwing patent
 
Stingray 1 4373
No New Posts Do You Really Need a Patent Attorney?......maybe not!
 
davh12 4 2478
No New Posts Patent Regs regarding DOD contracts.........be careful all!
 
davh12 1 2063
No New Posts Recent Development of Rotorcraft Configuration
 
hesham 1 2247
No New Posts R. D. LEONI / United Aircraft Corporation convertiplane
 
555 1 2073
No New Posts Stefan Apostolescu helicopter
 
=hothorizon= 1 1551
No New Posts High-speed fighter rotorcraft (1943)
 
Stingray 0 1458
No New Posts Optimum speed tilt rotor
 
=hothorizon= 0 1678
No New Posts Curtiss-Wright tilt-rotor
 
BARF 0 1334
No New Posts Hover Delivery of Cabin Payload in Tilt-Rotor and Tilt-Wing Aircraft
 
=hothorizon= 0 1191
No New Posts Dornier
 
-airfoil- 2 2469
No New Posts Summa Corporation
 
=hothorizon= 0 1188
No New Posts Nachman Zimet Helicopter
 
=hothorizon= 1 868
No New Posts Creative Aeronautical Accessorie, Inc.
 
=hothorizon= 0 784
No New Posts Thomas Gray Wilson's Helicopter stairs
 
Leela25 1 954
No New Posts United Technologies Corporation
 
=hothorizon= 5 1334
No New Posts Mark Camus
 
NeonCookies 0 795
No New Posts ERA Aviation, Inc.
 
=hothorizon= 0 786
No New Posts Power Steps
 
NeonCookies 0 701
No New Posts US Army patents
 
NeonCookies 0 904
No New Posts Helicopter baggage compartment extension device, Ronald A. Leibin et al
 
=hothorizon= 0 874
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