Robert C. Chang

Person

  • Philadelphia, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Micro-organ device

    • Patent number 8,580,546
    • Issue date Nov 12, 2013
    • The United States of America as represented by the administrator of the Natio...
    • Steve R. Gonda
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Micro-organ device

    • Patent number 8,343,740
    • Issue date Jan 1, 2013
    • The United States of America as represented by the administrator of the Natio...
    • Steve R. Gonda
    • C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
  • Information Patent Grant

    Mold and method for spin casting a precisely configured article

    • Patent number 4,680,149
    • Issue date Jul 14, 1987
    • International Hydron Corporation
    • David L. Rawlings
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents