Patents by Inventor Stanley E. Jacke

Stanley E. Jacke 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).

  • Patent number: 4521520
    Abstract: A method for determining the presence of occult blood in the bowl of a toilet includes the steps of suspending from the seat of the toilet an absorbent test sheet carrying a test reagent, defecating onto said sheet, flipping said sheet over to deposit the fecal matter in the bowl water, applying a developing solution to said sheet and observing whether a portion of said sheet is dyed blue. Preferably the test sheet is an absorbent paper printed or impregnated with guaiac.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: June 4, 1985
    Assignee: SmithKline Diagnostics, Inc.
    Inventor: Stanley E. Jacke