Patents by Inventor Lonnie Stover

Lonnie Stover 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).

  • Composition and test device for determining the presence of leukocytes, esterase and protease in a test sample
    Patent number: 4657855
    Abstract: A composition for determining the presence of leukocytes, esterase or protease in a test sample. The composition comprises an ester having the structure ##STR1## in which: A is an N-blocked-amino acid residue or an N-blocked-peptide residue, X is O, S or NR', R is aryl, or lower alkyl, R* is H, or lower alkyl, and R' is H, lower alkyl or aryl; and a suitable buffer substance.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: April 14, 1987
    Assignee: Miles Laboratories, Inc.
    Inventors: Paul F. Corey, A. Christopher Skjold, James H. Pendergrass, Lonnie Stover