Sempell Armaturen GmbH

Follow

Organization

DE

Organizations

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing a poppet valve head
- Patent number 4,926,534
- Issue date May 22, 1990
- Sempell Armaturen GmbH
- Herbert Windelbandt
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks