Patents by Inventor Theodore S. Swaback

Theodore S. Swaback 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).

  • Self-venting movable seal and plunger
    Patent number: 6835191
    Abstract: A self-venting movable seal and plunger assembly for use in dispensing materials from cylindrical bodies is disclosed. The assembly includes a self-venting movable seal and a plunger tip that seats within a plunger tip pocket in the movable seal, occluding a vent in the movable seal. Methods of using the assembly to dispense materials are also disclosed.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: December 28, 2004
    Assignee: 3M Innovative Properties Co.
    Inventors: Robert Lee, Brian G. Koethe, Theodore S. Swaback
  • Self-venting movable seal and plunger
    Publication number: 20030120220
    Abstract: A self-venting movable seal and plunger assembly for use in dispensing materials from cylindrical bodies is disclosed. The assembly includes a self-venting movable seal and a plunger tip that seats within a plunger tip pocket in the movable seal, occluding a vent in the movable seal. Methods of using the assembly to dispense materials are also disclosed.
    Type: Application
    Filed: December 21, 2001
    Publication date: June 26, 2003
    Applicant: 3M Innovative Properties Company
    Inventors: Robert Lee, Brian G. Koethe, Theodore S. Swaback