Patents by Inventor Stephen L. Gamradt

Stephen L. Gamradt 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).

  • Patent number: 7182217
    Abstract: Sheet dispensers, which provide feedback to a user or provide a unique function to a user, are disclosed. Visual, audio, aromatic, or other types of feedback may be provided to a user by the sheet dispenser. Sheet dispensers suitable for use as a switch, a room deodorizer, a flame-generating device, or a combination thereof are disclosed. A method of activating a switch-controlled object is also disclosed. Further, a method of making sheet dispensers is also disclosed.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: February 27, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: David C. Windorski, Stephen L. Gamradt, Martin A. Kenner, Michael E. Hamerly
  • Patent number: 6837395
    Abstract: Sheet dispensers, which provide feedback to a user or provide a unique function to a user, are disclosed. Visual, audio, aromatic, or other types of feedback may be provided to a user by the sheet dispenser. Sheet dispensers suitable for use as a switch, a room deodorizer, a flame-generating device, or a combination thereof are disclosed. A method of activating a switch-controlled object is also disclosed. Further, a method of making sheet dispensers is also disclosed.
    Type: Grant
    Filed: November 22, 2002
    Date of Patent: January 4, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: David C. Windorski, Stephen L. Gamradt, Martin A. Kenner, Michael E. Hamerly
  • Publication number: 20040099678
    Abstract: Sheet dispensers, which provide feedback to a user or provide a unique function to a user, are disclosed. Visual, audio, aromatic, or other types of feedback may be provided to a user by the sheet dispenser. Sheet dispensers suitable for use as a switch, a room deodorizer, a flame-generating device, or a combination thereof are disclosed. A method of activating a switch-controlled object is also disclosed. Further, a method of making sheet dispensers is also disclosed.
    Type: Application
    Filed: November 22, 2002
    Publication date: May 27, 2004
    Applicant: 3M Innovative Properties Company
    Inventors: David C. Windorski, Stephen L. Gamradt, Martin A. Kenner, Michael E. Hamerly