Patents Assigned to Summerfield Industries, Inc.
  • Patent number: D305275
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: January 2, 1990
    Assignee: Summerfield Industries, Inc.
    Inventors: Jill L. Kemna, Thomas R. Freeman
  • Patent number: D305276
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: January 2, 1990
    Assignee: Summerfield Industries, Inc.
    Inventors: Jill L. Kemna, Thomas R. Freeman
  • Patent number: D305277
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: January 2, 1990
    Assignee: Summerfield Industries, Inc.
    Inventors: Jill L. Kemna, Thomas R. Freeman
  • Patent number: D305378
    Type: Grant
    Filed: January 4, 1988
    Date of Patent: January 9, 1990
    Assignee: Summerfield Industries, Inc.
    Inventors: Jill L. Kemna, Thomas R. Freeman
  • Patent number: D307071
    Type: Grant
    Filed: May 14, 1987
    Date of Patent: April 10, 1990
    Assignee: Summerfield Industries, Inc.
    Inventors: Jill L. Kemna, Thomas R. Freeman
  • Patent number: D311448
    Type: Grant
    Filed: May 17, 1987
    Date of Patent: October 23, 1990
    Assignee: Summerfield Industries, Inc.
    Inventors: Jill L. Kemna, Thomas R. Freeman