Patents Represented by Attorney Lawrence D. Akers
  • Patent number: 4994055
    Abstract: A reservoir outlet control device for controlling fluid flow from a reservoir. The device is particularly suitable for controlling fluid outflow from a blood collecting and blood delivery reservoir.
    Type: Grant
    Filed: March 29, 1989
    Date of Patent: February 19, 1991
    Assignee: Pfizer Hospital Products Group, Inc.
    Inventors: Douglas M. Spranger, Karl D. Kirk, III, Robert Cohen, Preston J. Keeler, III, Jeffrey A. Stein