Patents by Inventor Leo J. Rodrique

Leo J. Rodrique 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).

  • Tactile membrane keyboard with asymmetrical tactile key elements
    Patent number: 4492829
    Abstract: A tactile or snap action membrane keyboard is presented wherein the tactile or snap action key elements are protrusions in a membrane sheet, the protrusions being asymmetrical to preprogram the collapse of the tactile element.
    Type: Grant
    Filed: February 13, 1984
    Date of Patent: January 8, 1985
    Assignee: Rogers Corporation
    Inventor: Leo J. Rodrique