P

Inventor

D ANGELO RALPH M

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

SCHLUMBERGER TECHNOLOGY CORP

10 patents

MACKAY BRUCE A

1 patent

HSU CHAUR-JIAN

1 patent

D ANGELO RALPH M

1 patent