Rensselaer Semi-Weekly Republican, Volume 40, Number 61, Rensselaer, Jasper County, 3 April 1908 — Many Electro-Technical Patents. [ARTICLE]

Many Electro-Technical Patents.

About 5,000 electro-technical patents were taken out In various countries in 1906. The United States is credited with 2,050, United Kingdom and colonies with 750, Germany 700, France 400, Austria 200, Italy 180, Hungary 130, and Switzerland with 120.