Inventor

COSBY PHILLIP A

3 patents

Patents

3 patents

US4255807AMar 10, 1981

Error testing of recording media such as magnetic tape

GRAHAM MAGNETICS INC17 citations67

US4290821ASep 22, 1981

Tape cartridge strap cleaning method

GRAHAM MAGNETICS INC2 citations56

US4213223AJul 22, 1980

Tape cartridge strap cleaner

GRAHAM MAGNETICS INC4 citations56