TREA

LaVerne R. Durfee

Follow

Person

  • Harmony, NC, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Step drill
    • Patent number 10,328,499
    • Issue date Jun 25, 2019
    • BLACK & DECKER INC.
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill bit with variable helical flute
    • Patent number 10,058,929
    • Issue date Aug 28, 2018
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Step drill
    • Patent number 9,687,915
    • Issue date Jun 27, 2017
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill for wood
    • Patent number 9,156,094
    • Issue date Oct 13, 2015
    • Irwin Industrial Tool Company
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Step drill bit
    • Patent number 8,764,355
    • Issue date Jul 1, 2014
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade bit
    • Patent number 8,147,174
    • Issue date Apr 3, 2012
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Self feed bit
    • Patent number 8,070,397
    • Issue date Dec 6, 2011
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Multi-blade self feed bit
    • Patent number 8,070,398
    • Issue date Dec 6, 2011
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Spade bit
    • Patent number 7,922,429
    • Issue date Apr 12, 2011
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade bit
    • Patent number 7,905,690
    • Issue date Mar 15, 2011
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade bit
    • Patent number 7,794,185
    • Issue date Sep 14, 2010
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
  • Information Patent Grant

    Drill bit screw tip
    • Patent number 7,544,026
    • Issue date Jun 9, 2009
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spade bit
    • Patent number 7,473,056
    • Issue date Jan 6, 2009
    • Irwin Industrial Tool Company
    • Laverne Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lockset drilling guide
    • Patent number 7,316,527
    • Issue date Jan 8, 2008
    • Irwin Industrial Tool Company
    • David J. Trettin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lockset drilling guide
    • Patent number 6,994,498
    • Issue date Feb 7, 2006
    • Irwin Industrial Tool Company
    • David J. Trettin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Lockset drilling guide
    • Patent number 6,910,837
    • Issue date Jun 28, 2005
    • Irwin Industrial Tool Company
    • David J. Trettin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    STEP DRILL
    • Publication number 20170259350
    • Publication date Sep 14, 2017
    • Irwin Industrial Tool Company
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEP DRILL BIT WITH VARIABLE HELICAL FLUTE
    • Publication number 20170129022
    • Publication date May 11, 2017
    • Irwin Industrial Tool Company
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEP DRILL
    • Publication number 20140369776
    • Publication date Dec 18, 2014
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEP DRILL FOR WOOD
    • Publication number 20130189044
    • Publication date Jul 25, 2013
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    STEP DRILL BIT
    • Publication number 20120207557
    • Publication date Aug 16, 2012
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPADE BIT
    • Publication number 20110150588
    • Publication date Jun 23, 2011
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPADE BIT
    • Publication number 20100104387
    • Publication date Apr 29, 2010
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL BIT
    • Publication number 20100003094
    • Publication date Jan 7, 2010
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SELF FEED BIT
    • Publication number 20090208300
    • Publication date Aug 20, 2009
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    MULTI-BLADE SELF FEED BIT
    • Publication number 20090208302
    • Publication date Aug 20, 2009
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    SPADE BIT
    • Publication number 20080279647
    • Publication date Nov 13, 2008
    • Irwin Industrial Tool Company
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL BIT SCREW TIP
    • Publication number 20080193236
    • Publication date Aug 14, 2008
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL BIT
    • Publication number 20080166194
    • Publication date Jul 10, 2008
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL BIT
    • Publication number 20080138165
    • Publication date Jun 12, 2008
    • Laverne Durfee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    SPADE-TYPE BIT
    • Publication number 20080101879
    • Publication date May 1, 2008
    • LaVerne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SPADE BIT
    • Publication number 20070092348
    • Publication date Apr 26, 2007
    • Laverne R. Durfee
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LOCKSET DRILLING GUIDE
    • Publication number 20050082848
    • Publication date Apr 21, 2005
    • Irwin Industrial Tool Company
    • David J Trettin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Lockset drilling guide
    • Publication number 20040240950
    • Publication date Dec 2, 2004
    • David J. Trettin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    LOCKSET DRILLING GUIDE
    • Publication number 20040131435
    • Publication date Jul 8, 2004
    • Irwin Industrial Tool Company
    • David J Trettin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Lockset drilling guide
    • Publication number 20040062618
    • Publication date Apr 1, 2004
    • David J. Trettin
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR