Inventor

TIEDEMANN HELMUT

DE2 patents

Patents

2 patents

US4564408AJan 14, 1986

Process and device for covering a lens preform with a protective sheet

SAINT GOBAIN VITRAGE72 citations91

US4707208ANov 17, 1987

Method for covering a lens blank with a protective plastic film

SAINT GOBAIN VITRAGE28 citations87