Patents by Inventor Joseph D. Rizza

Joseph D. Rizza 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).

  • Broadhead for use as both an expandable blade head and a fixed blade head
    Patent number: 6015357
    Abstract: A broadhead for use as both an expandable blade head and a fixed blade head. The broadhead includes a shaft, a blade assembly, and locking apparatus. The locking apparatus operatively connected to the blade assembly comprises a disk having three slots, which when desired, can be rotatively aligned so as to prevent the distal ends of the bodies the blade assembly from leaving the slots thereby selectively maintaining the blade assembly in a retracted mode.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: January 18, 2000
    Inventor: Joseph D. Rizza