Inventor

GROSS LEONARD B

US2 patents

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

CROWN ROLL LEAF INC

1 patent

US5603259AFeb 18, 1997

In-line cold foil transfer process and apparatus

CROWN ROLL LEAF INC57 citations89

DRONZEK JR PETER J

1 patent

US8496947B2Jul 30, 2013

Dental whitening strips

DRONZEK JR PETER J1 citations42