In 1924 this U.S. company acquired all the Zeppelin patents
In 1924, Germany granted the Goodyear Tire and Rubber Company 
patent rights... [DOC] [TLE] Pneumatic Tire History - Invention of the Pneumatic Tire [PAR] Jan 24, 2007 ... Dunlop partnered with William Du Cros to form a company that would later ... 
1889 Dunlop's pneumativ tire patented in the UK and the US on September, 
1890 ... 1924 Goodyear acquired Zeppelin patents, making possible construction 
of ...