Inventor

SCHWEITZER ROY C

3 patents

Patents

3 patents

US4092922AJun 6, 1978

Lithographic ink supply

ADDRESSOGRAPH MULTIGRAPH22 citations76

US4064804ADec 27, 1977

Duplicator and method of duplicating

ADDRESSOGRAPH MULTIGRAPH12 citations68

US4084510AApr 18, 1978

Ink fountain

ADDRESSOGRAPH MULTIGRAPH3 citations56