P

Inventor

WARCHOL JOSEPH F

US13 patents
⚠️ This page may combine multiple inventors who share the name “WARCHOL JOSEPH F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOUGHTON & CO E F

4 patents

HERCULES INC

3 patents

HOUGHTON TECHNICAL CORP

3 patents

HOUGHTON INT INC

1 patent

BURKE JOHN MICHAEL

1 patent

GUNSALUS LAURA

1 patent