TREA

David L. Haas

Follow

Person

  • Norwalk, CT, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Hair roller
    • Patent number 4,141,370
    • Issue date Feb 27, 1979
    • Sperry Rand Corporation
    • David L. Haas
    • A45 - HAND OR TRAVELLING ARTICLES
  • Information Patent Grant

    Hair roller
    • Patent number 4,136,706
    • Issue date Jan 30, 1979
    • Sperry Rand Corporation
    • David L. Haas
    • A45 - HAND OR TRAVELLING ARTICLES