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Pierre de Valroger

Overall (All Time): #2,360,357 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4485310	Combination of a compression or expansion turbine engine and an electric motor	—	1984-11-27
4286198	Direct current motor unit without commutator	—	1981-08-25