Patents by Inventor Donald Cashman

Donald Cashman 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).

  • Air freshener composition
    Patent number: 5047234
    Abstract: The useful life--i.e., emulsion stability and weight loss control--of aqueous air freshener composition can be enhanced via the use therein of small amounts of certain inorganic metal salts.
    Type: Grant
    Filed: August 23, 1989
    Date of Patent: September 10, 1991
    Assignee: Drackett Company
    Inventors: Lyndel D. Dickerson, John A. Ferguson, Donald Cashman
  • Air freshener composition and device
    Patent number: 4983578
    Abstract: A novel air freshener composition and a combination product which uses same in an a device which has an emanator are described. The composition employs a combination of reagents which inhibit its evaporation so that the useful life of the air freshener is significantly lengthened.
    Type: Grant
    Filed: April 18, 1989
    Date of Patent: January 8, 1991
    Assignee: The Drackett Company
    Inventors: Donald Cashman, John A. Ferguson, George B. Keyes