Tesla patent drawings

Nikola Tesla Patents

Tesla was granted nearly 200 patents worldwide

Hon. Commissioner of Patents, Washington, D. C. Sir: - August 11th, 1899. We file herewith a certificate of the official character of Eugene A. Sunderlin, Notary Public, before whom the application of Nikola Tesla, No. 725,749, filed August 1, 1899, for Methods of and apparatus for utilizing effects transmitted through the natural media, was subscribed and sworn to. We request that said certificate may be filed in the Patent Office for general reference, in accordance with the provisions of Rule 47. Respectfully, Keni. Mage &corper. This page retyped from microfilm for better readability - Ed.] 439