P

Inventor

LEWIS ROBERT M

US22 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS ROBERT M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHELL OIL CO

10 patents

UNITED TECHNOLOGIES CORP

4 patents

HELIX TECH CORP

3 patents

LEWIS ROBERT M

2 patents

(unassigned)

1 patent

C A S T MINERALS INC

1 patent

PORTALS ENG LTD

1 patent