Patents by Inventor Elizabeth Custard

Elizabeth Custard 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).

  • Stabilized solution producing a Romanowsky effect
    Patent number: 4363632
    Abstract: Disclosed is a cell-staining solution which contains Azure B, Eosin Y, and a stabilizing amount of diethylamine hydrochloride in methanolic solution, which produces a Romanowsky-type staining effect.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: December 14, 1982
    Assignee: Miles Laboratories, Inc.
    Inventors: Elizabeth Custard, John C. Liao, John L. Ponzo