AK

Arnulf A. Keller

📍 Hanerau-Hademarschen, DE: #71 of 129 inventorsTop 60%
Overall (All Time): #4,090,892 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4271669 Reciprocating-piston engine, especially hot-gas engine or compressor Norbert A. Keller 1981-06-09