Patents Represented by Attorney, Agent or Law Firm Grant Kang
  • Air venting in ophthalmic irrigation/aspiration system via closed bag system
    Patent number: 6224583
    Abstract: An ophthalmic irrigation/aspiration venting system that vents a portion of an aspiration circuit by drawing sterile air from a bag. The bag is provided with an air reservoir member to ensure that an adequate air volume is available.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: May 1, 2001
    Assignee: Bausch & Lomb Surgical, Inc.
    Inventors: James T. Perkins, Jeffery A. Knight, William J. Neubert
  • Mattress system
    Patent number: 5960496
    Abstract: A mattress system includes a first section of foam material forming the head section of a mattress, a second section of foam material forming the central section of the mattress, and a third section of foam material forming the foot section of the mattress. The second section of foam material has a load responsive characteristic different from the load responsive characteristic of the first and third sections. The central section may be replaced by an inflatable air chamber.
    Type: Grant
    Filed: July 14, 1998
    Date of Patent: October 5, 1999
    Inventor: Dennis Boyd