Inventor
RANDOLPH BRUCE
US13 patents
⚠️ This page may combine multiple inventors who share the name “RANDOLPH BRUCE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VECTOR PROD INC
8 patentsUS6799993B2Oct 5, 2004
Portable electrical energy source
VECTOR PROD INC75 citations97
US6822425B2Nov 23, 2004
High frequency battery charger and method of operating same
VECTOR PROD INC73 citations95
US6870329B2Mar 22, 2005
PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller
VECTOR PROD INC19 citations92
US6770853B2Aug 3, 2004
PWM controller for DC powered heating blanket
VECTOR PROD INC21 citations92
US6930469B2Aug 16, 2005
Battery charger with a timed high-current stage
VECTOR PROD INC14 citations84
US7196482B2Mar 27, 2007
PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller
VECTOR PROD INC7 citations73
US6987248B2Jan 17, 2006
Microprocessor controlled portable heating system
VECTOR PROD INC4 citations62
US6744021B2Jun 1, 2004
Microprocessor controlled heater/cooler system
VECTOR PROD INC5 citations62