P

Inventor

LEWIS JR RICHARD J

US10 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS JR RICHARD J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CLOPAY BUILDING PROD CO

5 patents

CLOPAY BUILDING PRODUCTS R & D

4 patents

FERNO WASHINGTON

1 patent