Inventor
PUSEY DONALD K
US4 patents
Patents
4 patentsUS4977853ADec 18, 1990
Non-contact wet or dry film thickness measuring device
DU PONT73 citations94
US4686563AAug 11, 1987
Apparatus and method for locating dropouts
DU PONT12 citations70
US4896227AJan 23, 1990
Method of locating and inspecting dropouts on a magnetic disc
DU PONT5 citations59
US4812923AMar 14, 1989
Tape inspection apparatus
DU PONT2 citations54