Inventor
PLUMMER DEXTER ROBERT
4 patents
Patents
4 patentsUS3992018ANov 16, 1976
Method and apparatus for use in cleaning a gramophone disc
STRATHEARN AUDIO LTD6 citations59
US4059030ANov 22, 1977
Mechanical gearing
STRATHEARN AUDIO LTD4 citations58
US4105961AAug 8, 1978
Phonograph pick-up arm control arrangement
STRATHEARN AUDIO LTD4 citations54
US4032158AJun 28, 1977
Method and apparatus for indicating angular displacement
STRATHEARN AUDIO LTD5 citations54