Inventor

GRUNERT DAVID R

US2 patents

⚠️ This page may combine multiple inventors who share the name “GRUNERT DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PINE VALLEY INVESTMENTS INC

1 patent

US7791316B2Sep 7, 2010

Battery with isolated charging circuit for LMR portable radio applications

PINE VALLEY INVESTMENTS INC3 citations54

MA COM INC

1 patent

US7091693B2Aug 15, 2006

Battery with non-volatile memory for LMR portable radio applications

MA COM INC6 citations54