Nikola Tesla Patents
Tesla was granted nearly 200 patents worldwide
Nikola Tesla U.S. Patent 517,900 - Steam Engine Patent Wrapper Page 3
I 1 1 J 1 T 3 T (Serial Number,) 49 50791893. 5179.00 Nikola Tesla Patent No. Parts of application filed. Of County of State of. Invention (EXT's Book,) D New yor New york Steam Engines 227 L... اور پشت Dec 29. 1893, ..lf.. 4. Petition Affidavit Specification Drawing Model sl-segunned. Specimen First fee Cash Lay Dee 29.90 "C Cert. Patented. Countersigned Notice of allowance March 4. App/filed complete le 29-93. Vexamined Meas. 6,1884. To topher C Babay !1. For Commissioner. Final fee Cash ich 16g 1894. Cert. 7 Abril 10,1894. 120. Baway Ty New york 75