P

Inventor

SPANGLER MICHAEL J

US27 patents
⚠️ This page may combine multiple inventors who share the name “SPANGLER MICHAEL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AMOCO CORP

15 patents

BP AMOCO CORP

5 patents

BP CORP NORTH AMERICA INC

4 patents

STANDARD OIL CO INDIANA

2 patents

EATON CORP

1 patent