Inventor

SANTI ERNEST S

US3 patents

Patents

3 patents

US5042142AAug 27, 1991

Washer-dispensing and fastener-driving machine

ILLINOIS TOOL WORKS58 citations94

US4890968AJan 2, 1990

Stackable roofing washer

ILLINOIS TOOL WORKS62 citations94

US5139379AAug 18, 1992

Roofing fastener, improved screw therefor, and improved washer therefor

ILLINOIS TOOL WORKS40 citations91