Patents by Inventor Marian F. Van Dyke

Marian F. Van Dyke 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).

  • Crutch cover
    Patent number: D310134
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: August 28, 1990
    Inventor: Marian F. Van Dyke
  • Cover for walker
    Patent number: D315702
    Type: Grant
    Filed: September 24, 1987
    Date of Patent: March 26, 1991
    Inventor: Marian F. Van Dyke