Patents by Inventor Stanley P. Cowles

Stanley P. Cowles 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).

  • Adjustable, disposible funnel
    Patent number: 4896707
    Abstract: A sheet of flexible material may be hand formed into a selected, conic, funnel shape; maintained in that shape while utilized as a funnel; then disposed of. A kit containing a quantity of such sheets provides ease of transport and ready access to a multiplicity of disposable funnels of various selected sizes.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: January 30, 1990
    Inventor: Stanley P. Cowles