Inventor
PRENGAMAN DAVID R
US4 patents
⚠️ This page may combine multiple inventors who share the name “PRENGAMAN DAVID R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTHSTAR BATTERY CO LLC
3 patentsUS7923155B2Apr 12, 2011
Lead-tin-silver-bismuth containing alloy for positive grid of lead acid batteries
NORTHSTAR BATTERY CO LLC2 citations54
US10637044B2Apr 28, 2020
Corrosion resistant positive grid for lead-acid batteries
NORTHSTAR BATTERY CO LLC0 citations46
US9985276B2May 29, 2018
Corrosion resistant positive grid for lead-acid batteries
NORTHSTAR BATTERY CO LLC0 citations46