Wilfried Dressler

Follow

Person

Heidelberg, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Silo having air agitating loosening devices
- Patent number 4,078,703
- Issue date Mar 14, 1978
- Portland Zementwerke Heidelberg AG
- Wilfried Dressler
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL