Patents by Inventor Dennis A. Shanelec

Dennis A. Shanelec 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).

  • Molded polypropylene foam tire cores
    Patent number: 5073444
    Abstract: A molded polypropylene foam tire core suitable for all types of wheels. The core may be inserted, in one or more sections, into a pneumatic-type tire casing and mounted on a wheel rim to provide puncture-proof and rupture-proof internal support for said tire casing.
    Type: Grant
    Filed: January 11, 1990
    Date of Patent: December 17, 1991
    Inventor: Dennis A. Shanelec
  • Surfboard construction
    Patent number: 4961715
    Abstract: Water sport equipment, such as surfboards, sailboards and the like formed of a molded foam composed of expanded polypropylene foam beads, having a density of approximately 3.75 PCF, melted together with steam pressure and improved methods for producing such equipment.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: October 9, 1990
    Inventor: Dennis A. Shanelec
  • Bodysurfing board
    Patent number: D299846
    Type: Grant
    Filed: January 22, 1987
    Date of Patent: February 14, 1989
    Inventor: Dennis A. Shanelec
  • Bodysurfing board
    Patent number: D299847
    Type: Grant
    Filed: January 22, 1987
    Date of Patent: February 14, 1989
    Inventor: Dennis A. Shanelec
  • Bodysurfing board
    Patent number: D305144
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: December 19, 1989
    Inventor: Dennis A. Shanelec
  • Bodysurfing board
    Patent number: D305145
    Type: Grant
    Filed: February 22, 1988
    Date of Patent: December 19, 1989
    Inventor: Dennis A. Shanelec
  • Bodysurfing board
    Patent number: D305349
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: January 2, 1990
    Inventor: Dennis A. Shanelec
  • Bodysurfing board
    Patent number: D315770
    Type: Grant
    Filed: June 15, 1989
    Date of Patent: March 26, 1991
    Inventor: Dennis A. Shanelec