TREA

Alexander A. Leef

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  • Waltham, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Battery cathode
    • Patent number 7,682,730
    • Issue date Mar 23, 2010
    • The Gillette Company
    • Terry Copeland
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery cathode
    • Patent number 7,045,247
    • Issue date May 16, 2006
    • The Gillette Company
    • Terry Copeland
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery cathode
    • Patent number 6,143,446
    • Issue date Nov 7, 2000
    • Duracell Inc.
    • Stuart M. Davis
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Additives for alkaline electrochemical cells having manganese dioxi...
    • Patent number 5,532,085
    • Issue date Jul 2, 1996
    • Duracell Inc.
    • Stuart M. Davis
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Battery cathode
    • Publication number 20060159992
    • Publication date Jul 20, 2006
    • The Gillette Company, a Delaware corporation
    • Terry Copeland
    • H01 - BASIC ELECTRIC ELEMENTS