HP

Hans U. Petzoldt

FK Fried Krupp: 1 patents #80 of 258Top 35%
📍 Leverkusen, DE: #733 of 1,687 inventorsTop 45%
Overall (All Time): #2,343,688 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4692218 Process for producing ethanol Heinz Houben, Joachim Stegemann 1987-09-08
4678543 Apparatus for producing ethanol Heinz Houben, Joachim Stegemann 1987-07-07