FE

Friedrich Ernst

DG Dr. C. Otto & Comp. Gmbh: 1 patents #22 of 49Top 45%
Overall (All Time): #4,029,108 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4429908 Latching mechanism on coke oven doors — 1984-02-07