Alexandra Mavroidi, GR12703B

ΣΥΝΘΕΤΙΚΟΣ ΓΕΩΓΡΑΦΙΚΟΣ ΧΑΡΤΗΣ.

On November 11, 1950, Alexandra Mavroidi, of Athens, Greece, was granted a patent for inventing a synthetic geographical map.

Date of Application: 02 November 1950

Date of Issuance: 11 November 1950

For more information, please refer to the following webpage:

• Espacenet