US Patent granted to Sikorsky Aircraft Corporation titled as "Main rotor blade with integral cuff"

US Patent granted to Sikorsky Aircraft Corporation on January 15 ... - Avionics Intelligence:

US Patent granted to Sikorsky Aircraft Corporation on January 15 ... Avionics Intelligence United States Patent and Trademark Office has granted patent no. 8,353,673, on January 15, 2013, to Sikorsky Aircraft Corporation, titled as "Main rotor blade with integral cuff". Inventors: Leahy; Kevin P. (Naugatuck, CT), Simkulak; Richard Joseph ... y más »