P
PatentIndex
Search
Landscape
Sign in
Inventor
UMPHRESS RICHARD D
US
2 patents
Patents
2 patents
US5552204A
Sep 3, 1996
Magnetic disk with boron carbide overcoat layer
IBM
8 citations
70
US5629682A
May 13, 1997
Magnetic recorder having MR read and inductive write capability
IBM
6 citations
57