Inventor
TRETTIN DAVID J
US16 patents
⚠️ This page may combine multiple inventors who share the name “TRETTIN DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IRWIN IND TOOL CO
10 patentsUS7438084B2Oct 21, 2008
Transport system for tanks
IRWIN IND TOOL CO48 citations91
US6910837B2Jun 28, 2005
Lockset drilling guide
IRWIN IND TOOL CO25 citations91
USD497800SNov 2, 2004
Display package for a tool bit
IRWIN IND TOOL CO15 citations83
US7415988B2Aug 26, 2008
Storage system and protective device for tanks
IRWIN IND TOOL CO15 citations82
US7316527B2Jan 8, 2008
Lockset drilling guide
IRWIN IND TOOL CO11 citations82
US6994498B2Feb 7, 2006
Lockset drilling guide
IRWIN IND TOOL CO12 citations82
US7373947B2May 20, 2008
Storage system and protective device for tanks
IRWIN IND TOOL CO8 citations72
US7195031B2Mar 27, 2007
Storage system and protective device for tanks
IRWIN IND TOOL CO9 citations72
USD497105SOct 12, 2004
Display package for a tool bit
IRWIN IND TOOL CO5 citations62
USD495596SSep 7, 2004
Display package for a tool bit
IRWIN IND TOOL CO4 citations62