P

Inventor

KROGH JAMES A

US18 patents
⚠️ This page may combine multiple inventors who share the name “KROGH JAMES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOMAH PRODUCTS INC

8 patents

PPG INDUSTRIES INC

4 patents

EXXON RESEARCH ENGINEERING CO

3 patents

(unassigned)

1 patent

EXXON CHEMICAL PATENTS INC

1 patent

KROGH JAMES A

1 patent