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Eric C. Wahlberg

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  • Stamford, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Writing instrument
    • Patent number 4,000,950
    • Issue date Jan 4, 1977
    • Eric C. Wahlberg
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
  • Information Patent Grant

    Convertible writing instrument
    • Patent number 3,985,455
    • Issue date Oct 12, 1976
    • Eric C. Wahlberg
    • B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES