Romanenko Patent Agency - FAQ

The Chronograph of Inventions

March 10

In 1891, Almon B. Strowger was issued a U.S. patent for his electromechanical switch to automate a telephone exchange. Strowger did not invent the idea of automatic switching (it was first invented in 1879 by Connolly and McTigthe) but Strowger was the first to put it to effective use.

REGISTRATION:

PATENTING:

FAQ QUESTION

FAQ ANSWER

Address: Druzhby Narodiv square, 1, of. 116, Kyiv, Ukraine
Mailing address: p.o.box 151, Kyiv, 01042, Ukraine
E-mail: info@romanenko.biz phone: + 38 068 616 69 13, phone/fax: +38 044 464 85 67

axis