Inventor

HARTZ RICHARD D

US4 patents

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

ISCO INC

3 patents

US6178831B1Jan 30, 2001

LESTER ELECTRICAL OF NEBRASKA

1 patent

US6114833ASep 5, 2000

Monitoring and controlling system for battery and battery charger

LESTER ELECTRICAL OF NEBRASKA75 citations89

HARTZ RICHARD D

ISCO INC

Composite wastewater sampler

Composite wastewater sampler

Composite wastewater sampler

LESTER ELECTRICAL OF NEBRASKA

Monitoring and controlling system for battery and battery charger