Inventor
WIERSCHKE DONALD J
US4 patents
Patents
4 patentsUS4394341AJul 19, 1983
Method to center and separate electroformed replicas from a matrix
RCA CORP12 citations68
US4431487AFeb 14, 1984
Matrixing apparatus and method for use in the manufacture of molded records
RCA CORP4 citations59
US4500393AFeb 19, 1985
Method for the manufacture of record stampers
RCA CORP4 citations57
US4445995AMay 1, 1984
Cathode head having improved seal means
RCA CORP6 citations57