Inventor

DURFEE LAVERNE

US3 patents

Patents

3 patents

US6910837B2Jun 28, 2005

Lockset drilling guide

IRWIN IND TOOL CO25 citations91

US7473056B2Jan 6, 2009

Spade bit

IRWIN IND TOOL CO24 citations88

US6994498B2Feb 7, 2006

Lockset drilling guide

IRWIN IND TOOL CO12 citations82