P

Inventor

CHWASTIAK STEPHEN

US12 patents
⚠️ This page may combine multiple inventors who share the name “CHWASTIAK STEPHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CARBORUNDUM CO

5 patents

STEMCOR CORP

4 patents

PERFORMANCE FRICTION CORP

2 patents

UNION CARBIDE CORP

1 patent