P

Inventor

FREY JOHN R

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

AMOCO CORP

4 patents

INT ALUMINUM CORPORATION

4 patents

INTERNAT ALUMINUM CORP

3 patents

INT ALUMINUM CORP

2 patents

LANG TRACY

2 patents

FREY JOHN R

1 patent