Rolf Knodel

Follow

Person

Kelkheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Concrete mold with arrangement for mounting tubular components
- Patent number 4,948,089
- Issue date Aug 14, 1990
- Wayss & Freytag Aktiengesellschaft
- Rolf Knodel
- B28 - WORKING CEMENT, CLAY, OR STONE