P

Inventor

COPEN FRANK H

US16 patents
⚠️ This page may combine multiple inventors who share the name “COPEN FRANK H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ALPHA SECURITY PROD INC

10 patents

THE WOOSTER BRUSH COMPANY

3 patents

COPEN FRANK H

1 patent

HOOVER CO

1 patent

PARALLEL DESIGN INC

1 patent