P

Inventor

CAMPBELL MICHAEL D

US4 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL MICHAEL D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LIFESPARC INC

1 patent

METALFAB IND INC

1 patent

IBM

1 patent

ANGELOTTI FRANK W

1 patent