Patents by Inventor Judith L. Ryder

Judith L. Ryder 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).

  • Smoking article wrapper for controlling burn rate and method for making same
    Patent number: 5417228
    Abstract: This invention relates to the control of the burn rate of a cigarette. The burn rate is controlled by the use of a paper wrapper to which regions of cellulosic material is applied and bonded. The cellulosic material is applied during a manufacturing step for the base paper wrapper, either off or on-line of the paper wrapper-forming machine.
    Type: Grant
    Filed: September 1, 1993
    Date of Patent: May 23, 1995
    Assignee: Philip Morris Incorporated
    Inventors: Sheryl D. Baldwin, Navin Gautam, Kenneth S. Houghton, Robert M. Rogers, Judith L. Ryder
  • Smoking article wrapper for controlling burn rate and method for making same
    Patent number: 5263999
    Abstract: This invention relates to the control of the burn rate of a cigarette. The burn rate is controlled by the use of a paper wrapper to which regions of cellulosic material is applied and bonded. The cellulosic material is applied during a manufacturing step for the base paper wrapper, either off or on-line of the paper wrapper-forming machine.
    Type: Grant
    Filed: September 10, 1991
    Date of Patent: November 23, 1993
    Assignee: Philip Morris Incorporated
    Inventors: Sheryl D. Baldwin, Navin Gautam, Kenneth S. Houghton, Robert M. Rogers, Judith L. Ryder