Patents by Inventor Mihai Parfenie

Mihai Parfenie 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).

  • Patent number: 5471701
    Abstract: A toothbrush includes a handle and a brush head removably connected to the handle. There is a spring for biasing the brush head away from the handle. A latch normally secures the brush head on the handle. There is a release mechanism for selectively releasing the latch, whereby the spring ejects the brush head away from the handle.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: December 5, 1995
    Inventor: Mihai Parfenie