Patents Examined by Robert R. Wieland
  • Hyperbaric chamber
    Patent number: 5678543
    Abstract: Lightweight hyperbaric chamber capable of maintaining pressures of up to 22 psi greater than ambient through the use of at least two zippers, at least one of which is a sealing zipper, and preferably with heavy fabric and a reinforcing outer layer.
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: October 21, 1997
    Assignee: Portable Hyperbarics, Inc.
    Inventor: James W. Bower