Patents Assigned to Nambang Corporation
  • Safety lamp with noctilucent lens holder
    Patent number: 4481560
    Abstract: A lamp, particularly a miner's safety lamp, is provided with a noctilucent lens holder so that in the event of an accident causing non functioning of the normal light source of the lamp, the lens holder will provide luminous light.
    Type: Grant
    Filed: July 29, 1982
    Date of Patent: November 6, 1984
    Assignee: Nambang Corporation
    Inventor: Chang H. Ra