Patents by Inventor Kenneth E. Cummings

Kenneth E. Cummings 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: D319077
    Type: Grant
    Filed: May 2, 1989
    Date of Patent: August 13, 1991
    Assignee: Kantrail Investments Limited
    Inventors: Paul Arato, Kenneth E. Cummings
  • Patent number: D340331
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: October 12, 1993
    Assignee: Arato Design Associates, Inc.
    Inventors: Paul T. Arato, Kenneth E. Cummings
  • Patent number: D349945
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: August 23, 1994
    Assignee: 122235 Canada Limited
    Inventor: Kenneth E. Cummings
  • Patent number: D349950
    Type: Grant
    Filed: July 31, 1992
    Date of Patent: August 23, 1994
    Assignee: 122235 Canada Limited
    Inventor: Kenneth E. Cummings
  • Patent number: D349951
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: August 23, 1994
    Assignee: 122235 Canada Limited
    Inventor: Kenneth E. Cummings
  • Patent number: D420191
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 1, 2000
    Assignee: Castek Environmental Products Inc.
    Inventor: Kenneth E. Cummings
  • Patent number: D420192
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 1, 2000
    Assignee: Castek Environmental Products Inc.
    Inventor: Kenneth E. Cummings
  • Patent number: D420193
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 1, 2000
    Assignee: Castek Environmental Products Inc.
    Inventor: Kenneth E. Cummings
  • Patent number: D420194
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 1, 2000
    Assignee: Castek Environmental Products Inc.
    Inventor: Kenneth E. Cummings
  • Patent number: D420195
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 1, 2000
    Assignee: Castek Environmental Products Inc.
    Inventor: Kenneth E. Cummings
  • Patent number: D420196
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 1, 2000
    Assignee: Castek Environmental Products Inc
    Inventor: Kenneth E. Cummings
  • Patent number: D420485
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 8, 2000
    Assignee: Castek Environmental Products Inc.
    Inventor: Kenneth E. Cummings
  • Patent number: D420486
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: February 8, 2000
    Assignee: Castek Environmental Products Inc.
    Inventor: Kenneth E. Cummings