Patents by Inventor Donald L. Mason

Donald L. Mason has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240109967
    Abstract: The present invention relates to canine antibodies, binding polypeptides, and scFvs specific for canine cytotoxic T lymphocyte associated protein 4 (CTLA-4).
    Type: Application
    Filed: October 20, 2023
    Publication date: April 4, 2024
    Inventors: Nicola J. MASON, Donald L. SIEGEL, Nicholas CHESTER
  • Patent number: 4464340
    Abstract: A dissolution system for pharmaceutical solid oral dosage forms (medicinal tablets) comprising one or more open-top flasks for receiving a solvent media and the solid dosage forms to be tested, together with structure for delivering a solvent media into the flasks, structure for agitating the solvent media, structure for removing test samples, and structure in the form of a drain valve assembly at the bottom of each flask for removing residual solute and flushing the tank.
    Type: Grant
    Filed: June 15, 1981
    Date of Patent: August 7, 1984
    Assignee: Burroughs Wellcome Co.
    Inventors: John C. Lennox, Jr., Warren A. McAllister, Donald L. Mason
  • Patent number: 4393717
    Abstract: Apparatus for testing medicinal tablets for thickness, diameter and hardness wherein there is a support for receiving and supporting tablets for testing one at a time, a gauge movable relative to the support to measure the thickness, a gauge movable relative to the support to both measure the thickness and breaking strength, a sweeper movable relative to the support to clear the crushed tablets therefrom and control circuitry including a computer for controlling the sequence of operations and recording the values measured.
    Type: Grant
    Filed: January 6, 1981
    Date of Patent: July 19, 1983
    Assignee: Burroughs Wellcome Co.
    Inventors: Donald L. Mason, Warren A. McAllister