P

Inventor

HARTSOCK DAVID L

US5 patents
⚠️ This page may combine multiple inventors who share the name “HARTSOCK DAVID L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHEVRON PHILLIPS CHEMICAL CO

2 patents

PHILLIPS PETROLEUM CO

2 patents

CHEVRON PHILLIPS CHEMICAL CO LP

1 patent