WS

Walter Swarofsky

RK Rollei-Werke Franke & Heidecke Gmbh & Co. Kg: 1 patents #3 of 8Top 40%
Overall (1982): #18,703 of 81,411Top 25%
1
Patents 1982

Issued Patents 1982

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