HW

Hans-Guido Wirtz

DW Dyckerhoff & Widmann: 1 patents #3 of 6Top 50%
📍 Leverkusen, DE: #67 of 176 inventorsTop 40%
Overall (1982): #60,341 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4320596 Planter formed of concrete or a similar settable material — 1982-03-23