Patents Assigned to Donna L. Heineman
  • Patent number: 5503585
    Abstract: The present invention is an improved box game call device comprising a multiple call registering scraper block, having an edge engaging striker affixed within a sound enhancement chamber. The scraper block is mounted within an elongate sound resonance box and is arranged for the repeatable generation of multiple distinct game attracting sounds.
    Type: Grant
    Filed: May 30, 1995
    Date of Patent: April 2, 1996
    Assignee: Donna L. Heineman
    Inventor: Ralph N. Heineman