Inventor

VAN INGEN JAMES M

US4 patents

Patents

4 patents

US6575682B1Jun 10, 2003

Quarter turn fastener

ILLINOIS TOOL WORKS28 citations87

US6860692B2Mar 1, 2005

Nut cap and assembly therewith

ILLINOIS TOOL WORKS13 citations81

US7503588B2Mar 17, 2009

Pipe nipple

ILLINOIS TOOL WORKS3 citations57

US7581910B2Sep 1, 2009

Fastener head

ILLINOIS TOOL WORKS2 citations56