4 ms·
Things can be in the public domain, but have restricted usage - example: http://en.wikipedia.org/wiki/NASA_insignia#Usage http://en.wikipedia.org/wiki/NASA_insi
by hyborg787 13y ago
Things can be in the public domain, but have restricted usage - example: http://en.wikipedia.org/wiki/NASA_insignia#Usage http://en.wikipedia.org/wiki/NASA_insignia#Usage