Undeniable fact about Tesla's citizenship 

From https://www.google.com/patents/US382279?dq=Nikola+Tesla&hl;=en&sa;=X&ei;=DE5rVeTJE435yQSU4oOYAQ&ved;=0CFwQ6AEwCQ

UNITED STATES PATENT OFFICE.

NIKOLA TESLA, OF NEW YORK, N. Y., ASSIGNOR OF ONEHALF TO CHARLES F. PEOK, OF ENGLEWOOD, NEW JERSEY.

ELECTRO-MAGNETIC MOTOR.

SPECIFICATION forming part of Letters I'Patent No. 3232.279. dated May 1, 1888.

Application filed November 30, 1887. Serial No. 256,561. (No model.)

To all whom it may concern:

Be it known that I, NIKOLA TESLA, a subject of the Emperor of Austria, from Smiljan, Lika, border country of Austria-Hungary, now residing at New York, in the county and State of New York, have invented certain new and useful Improvements in Electrolriagnetic Motors, of which the following is a specification, reference being had to the drawings accompanying and forming a part of the same.

72.66.12.17