Inventor

SCHWARTZMAN BLAKE

US3 patents

Patents

3 patents

US4837756AJun 6, 1989

Perimetrical watch protector

HARTMAN JAMES29 citations89

USD310049SAug 21, 1990

Perimetrical watch protector

HARTMAN JAMES10 citations70

US4592660AJun 3, 1986

Watch protector

HARTMAN JAMES9 citations70