Quantité totale PI	19
Rang # Quantité totale PI	78 251
Note d'activité PI	1,3/5.0    4
Rang # Activité PI	238 265
Classe Nice dominante	Appareils et instruments scienti...

Brevets Marques 1 14 0 2 1 0 1
Dernier brevet	2020 - Steered current source for singl...
Premier brevet	2018 - Steered current source for singl...
Dernière marque	2023 - G.E.C.
Première marque	1965 - WESTERN ELECTRIC

Industrie (Classification de Nice)

Derniers inventions, produits et services 2023 P/S Vacuum tubes for radios and electron tubes 2021 P/S Audio transmission wire and cable; vacuum tubes; amplifiers; sound system components, namely, pre... 2019 Invention Steered current source for single-ended class-a amplifier. A single-ended Class A amplifier (400)... 2018 Invention Steered current source for single-ended class-a amplifier. A single-ended Class-A amplifier inclu... 2017 P/S Loudspeakers 2016 P/S Audio transmission wire and cable, vacuum tubes, audio amplifiers, sound system components, namel... P/S Consumer electronic products, namely, audio amplifiers, audio speakers, audio receivers, electric... P/S Audio amplifiers; [ Audio cables; Audio speakers; Audio amplifiers; Consumer electronic products,... P/S Amplifiers; Audio cables; CD players; Electron tubes; Loudspeaker systems; Loudspeakers; Loudspea... P/S Loud speakers and audio speakers P/S Vacuum tubes, amplifiers, sound system components, namely, pre-amplifiers, audio speakers and aud... P/S Audio processing equipment, namely, limiters and compressors 2013 P/S Electron tubes 2012 P/S Audio and radio generators, namely, audio analyzers and radio frequency generators for supplying ... 1965 P/S [ TELEPHONE TRANSMITTING AND RECEIVING APPARATUS AND COMPONENT PARTS; TELEPHONE SWITCHBOARDS AND ...