Patents Assigned to Herwig Thoma
  • Patent number: 4781688
    Abstract: A dispensing device for a liquid medicament has a cylindrical support formed on a base which receives an application part fitted into this support and costituting a projection from a cover. An annular reservoir braced against the support is pressed inwardly by a prestressed annular body which can be formed integrally with the reservoir of silicone rubber to drive a liquid medicament through the passage formed in the application part into the body at a constant rate.
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: November 1, 1988
    Assignee: Herwig Thoma
    Inventors: Herwig Thoma, Michael Krotlinger