Patents by Inventor Leon Edwards

Leon Edwards 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).

  • Tobacco separation pretreatment system
    Patent number: 4756317
    Abstract: Packed tobacco leaves are pretreated by microwave generators with control sensors preliminary to separation.
    Type: Grant
    Filed: July 9, 1986
    Date of Patent: July 12, 1988
    Assignee: Hallmark Fabricators, Inc.
    Inventor: Leon Edwards
  • Tobacco separation pretreatment system
    Patent number: 4600024
    Abstract: Packed tobacco leaves are pretreated by microwave generators with control sensors preliminary to separation.
    Type: Grant
    Filed: June 15, 1983
    Date of Patent: July 15, 1986
    Inventor: Leon Edwards