P
PatentIndex
Search
Landscape
Sign in
Inventor
FRASER JR HARVEY R
2 patents
Patents
2 patents
US3961369A
Jun 1, 1976
Rotating head apparatus having a protruding diameter headwheel which supports a protruding flying head
IBM
19 citations
77
US3939493A
Feb 17, 1976
Tape lifter
IBM
7 citations
64