P

Inventor

TWARDOWSKA HELENA

US23 patents
⚠️ This page may combine multiple inventors who share the name “TWARDOWSKA HELENA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ILLINOIS TOOL WORKS

8 patents

ASHLAND INC

7 patents

ERCO IND LTD

2 patents

TWARDOWSKA HELENA

1 patent

TENNECO CANADA INC

1 patent

ASHLAND OIL INC

1 patent

LIDDELL KIMM

1 patent

ADAMS ROBERT MARK

1 patent

LAKE RANDALL

1 patent