Patents by Inventor W. Clair Havens

W. Clair Havens 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).

  • Round ashtray
    Patent number: D361862
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: August 29, 1995
    Assignees: W. Clair Havens, Earl Cheatham
    Inventor: W. Clair Havens
  • Square ashtray
    Patent number: D362083
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: September 5, 1995
    Assignees: W. Clair Havens, Earl Cheatham
    Inventor: W. Clair Havens