DZ

Dietmar Zwerenz

EG Ernst Leitz Wetzlar, Gmbh: 1 patents #54 of 139Top 40%
📍 Aßlar, DE: #21 of 48 inventorsTop 45%
Overall (All Time): #4,104,461 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4184044 Drawing pencil for use with optical scanning apparatus — 1980-01-15