Inventor
HOLTZMANN HANS-JOACHIM
DE3 patents
Patents
3 patentsUS4778461AOct 18, 1988
Heart valve prosthesis and process for its production
BEIERSDORF AG261 citations97
US4996054AFeb 26, 1991
Antithrombogenic, non-calcifying material and method of making articles for medical purposes
BEIERSDORF AG96 citations95
US4831065AMay 16, 1989
Antithrombogenic, non-calcifying material and method of making articles for medical purposes
BEIERSDORF AG39 citations95