TREA

Dennis L. Hart

Follow

Person

  • Hacienda Heights, CA, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Environmental first stage scuba regulator
    • Patent number 4,230,140
    • Issue date Oct 28, 1980
    • Under Sea Industries, Inc.
    • Dennis L. Hart
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Air system for scuba diving
    • Patent number 4,227,521
    • Issue date Oct 14, 1980
    • Under Sea Industries, Inc.
    • Dennis Hart
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Power deflator mechanism for scuba buoyancy vests
    • Patent number 4,045,835
    • Issue date Sep 6, 1977
    • Under Sea Industries, Inc.
    • Fred Flam
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT