Patents by Inventor Christopher A. Robinette

Christopher A. Robinette 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).

  • Vacuum cleaner having improved steering features
    Patent number: 5584095
    Abstract: An upright steerable vacuum cleaner is provided, which includes the use of a pivotable cylindrical motor housing, as well as a universal joint which is attached to the motor housing, such that twisting at the upper body of the vacuum cleaner clockwise causes the base of the unit to turn right, and twisting in the opposite direction causes it to turn left.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: December 17, 1996
    Assignee: Philips Electronics North America Corporation
    Inventors: Glenn K. Redding, Kristen G. Sprow-Byrd, Michael D. Collins, James R. Hunter, Jr., Gary A. Miller, Christopher A. Robinette, Walter L. Webb, Barry W. Chaffin, Charles W. Reynolds
  • Vacuum cleaner having improved steering features
    Patent number: 5323510
    Abstract: An upright steerable vacuum cleaner is provided, which includes the use of a pivotable cylindrical motor housing, as well as a universal joint which is attached to the motor housing, such that twisting at the upper body of the vacuum cleaner clockwise causes the base of the unit to turn right, twisting in the opposite direction causes if to turn left.
    Type: Grant
    Filed: July 9, 1993
    Date of Patent: June 28, 1994
    Inventors: Glenn K. Redding, Kristen G. Sprow-Byrd, Michael D. Collins, James R. Hunter, Jr., Gary A. Miller, Christopher A. Robinette, Walter L. Webb
  • Upright vacuum cleaner
    Patent number: D370321
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: May 28, 1996
    Assignee: The Regina Company
    Inventors: Christopher A. Robinette, Michael D. Collins
  • Portable telephone handset
    Patent number: D370486
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: June 4, 1996
    Assignee: AT&T Corp.
    Inventors: Michael J. Nuttall, Christopher A. Robinette, John H. Schaffeld
  • Telephone stand
    Patent number: D374230
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: October 1, 1996
    Assignee: Lucent Technologies Inc.
    Inventors: Michael J. Nuttall, Christopher A. Robinette, John H. Schaffeld
  • Portable telephone handset
    Patent number: D376143
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: December 3, 1996
    Assignee: Lucent Technologies Inc.
    Inventors: Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi A. Rajan, Christopher A. Robinette, John H. Schaffeld, Chaonong Yoh
  • Portable telephone handset
    Patent number: D377014
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: December 31, 1996
    Assignee: Lucent Technologies Inc.
    Inventors: Daniel R. Biskup, Pratod V. Kasbekar, Michael J. Nuttall, Heidi A. Rajan, Christopher A. Robinette, John H. Schaffeld, Chaonong Yoh