Patents by Inventor David C. Jenkins

David C. Jenkins 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).

  • Guidance system for a workpiece transfer apparatus
    Patent number: 4530295
    Abstract: The present invention concerns a guidance system operable in combination with an automatic transfer apparatus. The guidance system is effective to position each half of a folded and hemmed workpiece together in a proper orientation relative to each other and relative to a predetermined path during the time that the workpiece is removed from a first conveyor. The guidance system includes: a pair of workpiece hem aligners and hem guides.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: July 23, 1985
    Assignee: Union Special Corporation
    Inventors: Maximillian Adamski, David C. Jenkins, Robert L. Kosrow
  • Guidance system for a workpiece transfer apparatus
    Patent number: 4528922
    Abstract: The present invention concerns a guidance system operable in combination with an automatic transfer apparatus. The guidance system is effective to position each half of a folded and hemmed workpiece together in a proper orientation relative to each other and relative to a predetermined path during the time that the workpiece is removed from a first conveyor. The guidance system includes: a pair of workpiece hem aligners and hem guides.
    Type: Grant
    Filed: April 25, 1984
    Date of Patent: July 16, 1985
    Assignee: Union Special Corporation
    Inventors: Maximillian Adamski, David C. Jenkins, Robert L. Kosrow
  • Sports helmet
    Patent number: D257073
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: September 30, 1980
    Assignee: Cooper Canada Limited
    Inventor: David C. Jenkins
  • Shin guard
    Patent number: D264140
    Type: Grant
    Filed: April 2, 1979
    Date of Patent: May 4, 1982
    Assignee: Cooper Canada Limited
    Inventor: David C. Jenkins
  • Chair
    Patent number: D297986
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: October 11, 1988
    Assignee: Steelcase Inc.
    Inventor: David C. Jenkins
  • Chair arm
    Patent number: D299799
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: February 14, 1989
    Assignee: Steelcase Inc.
    Inventors: Wolfgang Muller-Deisig, David C. Jenkins, Terry D. West, Zooey C. Chu
  • Chair
    Patent number: D299987
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: February 28, 1989
    Assignee: Steelcase Inc.
    Inventor: David C. Jenkins
  • Chair
    Patent number: D300483
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: April 4, 1989
    Assignee: Steelcase Inc.
    Inventor: David C. Jenkins
  • Chair
    Patent number: D302769
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: August 15, 1989
    Assignee: Steelcase Inc.
    Inventor: David C. Jenkins
  • Chair seat
    Patent number: D309383
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: July 24, 1990
    Assignee: Steelcase, Inc.
    Inventors: Wolfgang Muller-Deisig, David C. Jenkins, Terry D. West, Zooey C. Chu
  • Chair
    Patent number: D311286
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: October 16, 1990
    Assignee: Steelcase Inc.
    Inventors: Wolfgang Muller-Deisig, David C. Jenkins, Terry D. West, Zooey C. Chu
  • Chair seat
    Patent number: D312003
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: November 13, 1990
    Assignee: Steelcase, Inc.
    Inventors: Wolfgang Muller-Deisig, David C. Jenkins, Terry D. West, Zooey C. Chu