Patents by Inventor Jean W. Heap

Jean W. Heap 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: D254057
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: January 29, 1980
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D257162
    Type: Grant
    Filed: November 27, 1976
    Date of Patent: September 30, 1980
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D267934
    Type: Grant
    Filed: February 19, 1981
    Date of Patent: February 15, 1983
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D272895
    Type: Grant
    Filed: April 28, 1982
    Date of Patent: March 6, 1984
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D276900
    Type: Grant
    Filed: July 28, 1982
    Date of Patent: December 25, 1984
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D280714
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: September 24, 1985
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D280715
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: September 24, 1985
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D285782
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: September 23, 1986
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D301214
    Type: Grant
    Filed: October 20, 1986
    Date of Patent: May 23, 1989
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D301319
    Type: Grant
    Filed: April 7, 1986
    Date of Patent: May 30, 1989
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap
  • Patent number: D308183
    Type: Grant
    Filed: May 18, 1987
    Date of Patent: May 29, 1990
    Assignee: Pendelfin Studios Limited
    Inventor: Jean W. Heap