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David Drop

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  • West Grove, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hollow polymeric-silicate composite
    • Patent number 8,357,446
    • Issue date Jan 22, 2013
    • Rohm and Haas Electronic Materials CMP Holdings, Inc.
    • Andrew R. Wank
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Silicate composite polishing pad
    • Patent number 8,257,152
    • Issue date Sep 4, 2012
    • Rohm and Haas Electronic Materials CMP Holdings, Inc.
    • Andrew R. Wank
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Method of forming silicate polishing pad
    • Patent number 8,202,334
    • Issue date Jun 19, 2012
    • Rohm and Haas Electronic Materials CMP Holdings, Inc.
    • Donna M. Alden
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents