Docteur LEFEBURE
(to increase)

Gold Medal and Prize at the LEPINE Contest, 1963,
for the action on the brain of the alternating hearing device :
the Alternophone.

Docteur LEFEBURE
(to increase)
Gold Medal at the international Inventors Fair of Brussels, 1964,
for the action on the brain of the alternating hearing device :
the Alternophone.

Docteur LEFEBURE
(to increase)
Silver Medal at the LEPINE Contest, 1964,
for the invention of the Cerebroscope.
Docteur LEFEBURE
(to increase)
Vermillion Medal at the 1st International Invention Contest, 1967,
pour l'invention du Synchrophone.
Docteur LEFEBURE
(to increase)
Silver Medal at the International Inventors Contest-Fair, 1973,
for the Phosphenic Mixing Lamp.
Docteur LEFEBURE

Silver Medal at the Worlds Inventors Fair in Brusselss, 1975,
for the method of Phosphenic Mixing Applied to Education.