Inventor · disambiguated record
Walter Marsch
Also filed as: MARSCH WALTER
3 granted patents·51 citations·filing 1976–1980
71Inventor score
Top patents by PatentIndex Score
3 records- 0167US4286482ADevice for positioning anchorage meansBWZ BERG IND TECH·Filed 1979·Granted Sep 1, 1981·16 cites·12 claims
- 0260US4362440ATubular lost borehole closureBERGWERKSVERBAND GMBH·Filed 1980·Granted Dec 7, 1982·30 cites·4 claims
- 0327US4146094ATubular one-way closure for injecting a material into a holeBERGWERKSVERBAND GMBH·Filed 1976·Granted Mar 27, 1979·5 cites·14 claims
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