TREA

Michael E. Bitzel

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  • Monroe, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tool-free collet tightener
    • Patent number 6,648,567
    • Issue date Nov 18, 2003
    • Black & Decker Inc.
    • Robert Alan Berry
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool-free collet tightener
    • Patent number 6,350,087
    • Issue date Feb 26, 2002
    • Black & Decker Inc.
    • Robert Alan Berry
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Internal contact for a charging circuit
    • Patent number 4,947,514
    • Issue date Aug 14, 1990
    • Black & Decker, Inc.
    • Burton E. Gerke
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hand-held vacuum cleaner with power brush
    • Patent number 4,928,346
    • Issue date May 29, 1990
    • Black & Decker Inc.
    • Donald E. Elson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electrical power circuit for a vacuum cleaner
    • Patent number 4,920,606
    • Issue date May 1, 1990
    • Black & Decker, Inc.
    • Burton E. Gerke
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Dual-purpose rotating brush for vacuum cleaner
    • Patent number 4,912,805
    • Issue date Apr 3, 1990
    • Black & Decker Inc.
    • Charles Z. Krasznai
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Cordless vacuum cleaner with power brush
    • Patent number 4,841,594
    • Issue date Jun 27, 1989
    • Black & Decker, Inc.
    • Donald E. Elson
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Tool-free collet tightener
    • Publication number 20020090274
    • Publication date Jul 11, 2002
    • Robert Alan Berry
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC