WS

Walter Swarofsky

RK Rollei-Werke Franke & Heidecke Gmbh & Co. Kg: 1 patents #7 of 15Top 50%
Overall (All Time): #4,073,328 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4341451 Camera having depth of focus indicating means Roland Krueger, Joachim Proske, Ortwin Rosner 1982-07-27