Patents Assigned to Castek Environmental Products Inc.
  • 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
  • Patent number: D853677
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 9, 2019
    Assignee: CASTEK ENVIRONMENTAL PRODUCTS INC.
    Inventor: Desmond Maurice Kendall
  • Patent number: D854277
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: July 16, 2019
    Assignee: CASTEK ENVIRONMENTAL PRODUCTS INC.
    Inventor: Desmond Maurice Kendall
  • Patent number: D862827
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: October 8, 2019
    Assignee: CASTEK ENVIRONMENTAL PRODUCTS INC.
    Inventor: Desmond Maurice Kendall
  • Patent number: D862828
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: October 8, 2019
    Assignee: CASTEK ENVIRONMENTAL PRODUCTS INC.
    Inventor: Desmond Maurice Kendall