P

Inventor

LEWIS ROBERT D

US12 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS ROBERT D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ARMSTRONG CORK CO

3 patents

ATO INC

1 patent

(unassigned)

1 patent

AWI LICENSING CO

1 patent

COMBUSTION ENG

1 patent

HSC CORP

1 patent

ABB ALSTOM POWER INC

1 patent

ARMSTRONG WORLD IND INC

1 patent

ABB ALSTROM POWER INC

1 patent

DONAIS RICHARD E

1 patent