Gerhard Hartl

Follow

Person

Vienna, AT

People

Patents Grantslast 30 patents

Information Patent Grant
Level crossing for railroads and method of fabricating the same
- Patent number 4,372,488
- Issue date Feb 8, 1983
- Semperit Aktiengesellschaft
- Karl Schonthaler
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES