German inventor had his head in the clouds 0 13.03.2019 16:00 News.com.au The patent had been a long time coming. In December 1897, retired German military officer, balloon enthusiast and tinkerer Ferdinand Graf Zeppelin of Stuttgart had applied for a patent for his “navigable balloon”. Moscow.media Частные объявления сегодня Rss.plus Все новости за 24 часа Другие проекты от SMI24.net Музыкальные новости Агрегатор новостей 24СМИ