Inventor
WONG ALBERT C K
US3 patents
Patents
3 patentsUS5564285AOct 15, 1996
Method of converting a time based data logger to a time and random event based data logger
THERMO KING CORP95 citations95
US5499512AMar 19, 1996
Methods and apparatus for converting a manually operable refrigeration unit to remote operation
THERMO KING CORP151 citations94
US5596512AJan 21, 1997
Method of determining the condition of a back-up battery for a real time clock
THERMO KING CORP31 citations91