Patents by Inventor David F. Dorsey

David F. Dorsey 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).

  • Covered ashtray with reversible top
    Patent number: 8360071
    Abstract: A covered ashtray which has a reversible top which is reversed when the ashtray is in use. The reversed side allows for the use of the ashtray in a standard fashion. Upon completion of use, the top may be placed back into the original position, wherein the ash and cigarette butts will be deposited into a chamber in the bottom portion of the ashtray.
    Type: Grant
    Filed: August 22, 2007
    Date of Patent: January 29, 2013
    Inventor: David F. Dorsey
  • Covered ashtray with reversible top
    Publication number: 20100059071
    Abstract: A covered ashtray which has a reversible top which is reversed when the ashtray is in use. The reversed side allows for the use of the ashtray in a standard fashion. Upon completion of use, the top may be placed back into the original position, wherein the ash and cigarette butts will be deposited into a chamber in the bottom portion of the ashtray.
    Type: Application
    Filed: August 22, 2007
    Publication date: March 11, 2010
    Inventor: David F. Dorsey