Guenter Hackstein

Follow

Person

Niedernhausen, Odenwald, DT

People

Patents Grantslast 30 patents

Information Patent Grant
Unbalance vector display device and process
- Patent number 3,938,134
- Issue date Feb 10, 1976
- Carl Schenck AG
- Guenter Hackstein
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS