P

Inventor

HATTENDORF DOUGLAS A

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

CORBION BIOTECH INC

2 patents

HATTENDORF DOUGLAS A

1 patent

MCDANIEL ROBERT

1 patent

SHELL OIL CO

1 patent