AK

Armin Kroening

SA Siemens Aktiengesellschaft: 2 patents #6,658 of 22,248Top 30%
📍 Nußdorf, DE: #8 of 22 inventorsTop 40%
Overall (All Time): #2,318,986 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5049783 Electronic ballast device for fluorescent lamps — 1991-09-17
4730147 Method and arrangement for the operation of a gas discharge lamp — 1988-03-08