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Forum: Patents
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No New Posts Piasecki patents
 
Stingray 1 1652
No New Posts Wilford tailsitter VTOL aircraft
 
Stingray 2 2689
No New Posts Andrew E. Friedrich Supersonic VTOL aircraft
 
Stingray 0 1526
No New Posts General Electric tail-sitter helicopter-airplane
 
Stingray 0 1419
No New Posts Henschel Helicopter, 1939
 
Stingray 0 1445
No New Posts Edward F. Andrews composite helicopter
 
Stingray 0 1448
No New Posts Dougals tandem rotor helicopter
 
hesham 0 1449
No New Posts John K. Sanders Aerodynamically stable VTOL aircraft
 
failcopter67 0 1395
No New Posts Firestone Tire a Rubber Company
 
=hothorizon= 3 1964
No New Posts Ishida TW-68 Tiltwing patent
 
Stingray 1 4343
No New Posts Do You Really Need a Patent Attorney?......maybe not!
 
davh12 4 2457
No New Posts Patent Regs regarding DOD contracts.........be careful all!
 
davh12 1 2035
No New Posts Recent Development of Rotorcraft Configuration
 
hesham 1 2220
No New Posts R. D. LEONI / United Aircraft Corporation convertiplane
 
555 1 2049
No New Posts Stefan Apostolescu helicopter
 
=hothorizon= 1 1535
No New Posts High-speed fighter rotorcraft (1943)
 
Stingray 0 1438
No New Posts Optimum speed tilt rotor
 
=hothorizon= 0 1662
No New Posts Curtiss-Wright tilt-rotor
 
BARF 0 1316
No New Posts Hover Delivery of Cabin Payload in Tilt-Rotor and Tilt-Wing Aircraft
 
=hothorizon= 0 1175
No New Posts Dornier
 
-airfoil- 2 2444
No New Posts Summa Corporation
 
=hothorizon= 0 1172
No New Posts Nachman Zimet Helicopter
 
=hothorizon= 1 848
No New Posts Creative Aeronautical Accessorie, Inc.
 
=hothorizon= 0 770
No New Posts Thomas Gray Wilson's Helicopter stairs
 
Leela25 1 942
No New Posts United Technologies Corporation
 
=hothorizon= 5 1322
No New Posts Mark Camus
 
NeonCookies 0 779
No New Posts ERA Aviation, Inc.
 
=hothorizon= 0 773
No New Posts Power Steps
 
NeonCookies 0 689
No New Posts US Army patents
 
NeonCookies 0 891
No New Posts Helicopter baggage compartment extension device, Ronald A. Leibin et al
 
=hothorizon= 0 858
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