WM

Walter Marsch

BG Bergwerksverband Gmbh: 1 patents #8 of 25Top 35%
📍 Recklinghausen, DE: #2 of 8 inventorsTop 25%
Overall (1982): #25,144 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4362440 Tubular lost borehole closure Otto-Ernst Glaesmann, Frank Meyer 1982-12-07