P

Inventor

SPARER STEPHEN J

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

AMERICAN ARCH PRODUCTS INC

7 patents

MASCOTECH INC

2 patents

AMERICAN ARCHITECHTURAL PRODUCTS INC

1 patent

MASCO/TECH INC

1 patent