AM

Alto Mannhart

DW Dyckerhoff & Widmann: 4 patents #10 of 81Top 15%
Overall (All Time): #1,286,843 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5809710 Method of tensioning a tension member composed of a plurality of individual elements Dieter Jungwirth 1998-09-22
5683519 Method of cleaning and exposing portions of limited length of strands of steel wire 1997-11-04
4559691 Device for securing a sleeve on the abutting ends of reinforcing bars Georg Rieger 1985-12-24
4469756 Method of and apparatus for forming an outwardly projecting bulge in a steel wire strand for forming an anchor in concrete Dieter Jungwirth, Lorenz Schnitzler, Johann Wlodkowski 1984-09-04