Chartrettes
France
4
2013-05-16
The entities that hold a legal rights for patent applications filed by inventor Lesage Philippe:
Philippe Lesage from Chartrettes, FR has applied for patents for these inventions. The list has both pending applications and granted patents:
Coaxial speaker system having a compression chamber with a horn
#2 | 2013-05-09Electrodynamic transducer having a dome and a buoyant hanging part
#3 | 2013-03-21Electrodynamic transducer having a dome and an inner hanging part
#4 | 2013-03-14Coaxial speaker system having a compression chamber
137741 ⎘