P

Inventor

WOLTERMANN GERALD M

US9 patents
⚠️ This page may combine multiple inventors who share the name “WOLTERMANN GERALD M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ENGELHARD MIN & CHEM

3 patents

KATALISTIKS INT INC

2 patents

ASHLAND OIL INC

1 patent

GRACE W R & CO

1 patent

W R GRACE CO CONN

1 patent

UOP INC

1 patent