Patents by Inventor Hadar Yngve Ronnquist

Hadar Yngve Ronnquist 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).

  • Fecal matter collector
    Patent number: 4030500
    Abstract: A Fecal Matter Collector including a tubular portion of flexible material having a portion operatively associated with a user's rectum and another portion extending through the anal opening and having on the external end thereof a removable collecting bag, and including a gas escape outlet.
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: June 21, 1977
    Inventor: Hadar Yngve Ronnquist