| On 24 June 1909 DMG applied for a patent for the three-pointed star, which was soon to become one of the world's most familiar trade marks. Four days later a patent application was also submitted for the four-pointed star, although it wasn't until 1989 that this logo was first used - at the Dasa aerospace company. Both designs were entered in the list of registered trade marks on 9 February 1911. |
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