Patents by Inventor Richard N Bayfield

Richard N Bayfield 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: 6428330
    Abstract: An extender for use in with a cascade stack of network devices comprises an electronic circuit which has three ports, and circuit connections coupling each of the three ports to each of the other two ports; port connectors for each port; a two-part housing of which a first part has an end wall apertured for the protrusion of a first and a second of the connectors and a second part has an end wall apertured for the protrusion of a third of the port connectors; and screw fixings for securing the housing parts together.
    Type: Grant
    Filed: September 5, 2001
    Date of Patent: August 6, 2002
    Assignee: 3Com Corporation
    Inventors: Alan R Poulter, Richard N Bayfield, Paul J Moran, Quang T Tran, Sharon L Wiles, David Whitfield
  • Patent number: 6399890
    Abstract: A printed circuit board which has in a first edge a first notch and a second notch a first predetermined distance apart and along said first edge between said first and second notches a plurality of terminal pads in a broadside array, the first edge including a third notch spaced from the second notch and disposed a second predetermined distance, greater than the first predetermined distance, from said first notch, the board having along and adjacent the first edge between the second and third notches a second plurality of terminal pads arranged in a respective broadside array.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: June 4, 2002
    Assignee: 3Com Corporation
    Inventors: Alan R Poulter, Richard N Bayfield, Bryan J Donoghue, Mark A Bobbitt, David J Law, Edward Turner
  • Patent number: D465772
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: November 19, 2002
    Assignee: 3Com Corporation
    Inventors: Alan R Poulter, Richard N Bayfield, Bryan J Donoghue, Mark A Bobbitt, David J Law, Edward Turner
  • Patent number: D466095
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: November 26, 2002
    Assignee: 3COM Corporation
    Inventors: Alan R Poulter, Richard N Bayfield, Paul J Moran, Quang T Tran, Sharon L Wiles, David Whitfield