Patents by Inventor William James Tobin

William James Tobin 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).

  • Dual spring actuator for keyboard switch assembly
    Patent number: 4117292
    Abstract: An economical yet versatile dual spring actuator switch assembly providing an excellent tactile impression includes a planar switch closure assembly having domed protrusions extending from a surface thereof to provide switch closure when depressed and a switch actuator assembly.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: September 26, 1978
    Assignee: Telaris Telecommunications, Inc.
    Inventors: James Christopher Hayes, William James Tobin