Inventor
RIDLER KEITH DOUGLAS
7 patents
⚠️ This page may combine multiple inventors who share the name “RIDLER KEITH DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
STRATHEARN AUDIO LTD
6 patentsUS3966330AJun 29, 1976
Phonograph record detecting arrangement
STRATHEARN AUDIO LTD39 citations89
US4065188ADec 27, 1977
Linear bearing for parallel tracking arm
STRATHEARN AUDIO LTD15 citations69
US4046386ASep 6, 1977
Control device
STRATHEARN AUDIO LTD7 citations69
US4023130AMay 10, 1977
Pivoted arm control arrangements
STRATHEARN AUDIO LTD12 citations66
US3992018ANov 16, 1976
Method and apparatus for use in cleaning a gramophone disc
STRATHEARN AUDIO LTD6 citations59
US4024473AMay 17, 1977
Stroboscopic device
STRATHEARN AUDIO LTD4 citations54