TREA

Alfred E. Sauer

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  • Warwick, RI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety clasp for jewelry
    • Patent number 4,425,687
    • Issue date Jan 17, 1984
    • B. A. Ballou & Co., Incorporated
    • Alfred E. Sauer
    • A44 - HABERDASHERY JEWELLERY
  • Information Patent Grant

    Double fold over jewelry clasp
    • Patent number 4,314,389
    • Issue date Feb 9, 1982
    • B. A. Ballou & Co., Incorporated
    • Alfred E. Sauer
    • A44 - HABERDASHERY JEWELLERY