Patents by Inventor Stein Edvardsen

Stein Edvardsen 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).

  • Toothbrush comprising a brush member having a bristle field and an interdental bristle field
    Patent number: 6308358
    Abstract: In a toothbrush having a brush member which carries a bristle holder with a bristle field and an interdental bristle holder with an interdental bristle field, the bristle field comprises a first field portion and a second field portion, the first field portion being disposed nearer the interdental bristle field than the second field portion and the bristles of the first field portion being shorter than the interdental bristles and the bristles of the second field portion being longer than the bristles of the first field portion and thus at the same time form interdental bristles.
    Type: Grant
    Filed: April 30, 1999
    Date of Patent: October 30, 2001
    Assignee: U.S. Philips Corporation
    Inventors: Paul Gruber, Stein Edvardsen
  • TOOTHBRUSH COMPRISING A BRUSH MEMBER HAVING A BRISTLE FIELD AND AN INTERDENTAL BRISLE FIELD
    Publication number: 20010001334
    Abstract: In a toothbrush (1) having a brush member (3) which carries a bristle holder (7) with a bristle field (10) and an interdental bristle holder (11) with an interdental bristle field (14), the bristle field (10) comprises a first field portion (15) and a second field portion (16), the first field portion (15) being disposed nearer the interdental bristle field (14) than the second field portion (16) and the bristles (17) of the first field portion (15) being shorter than the interdental bristles (13) and the bristles (18) of the second field portion (16) being longer than the bristles (17) of the first field portion (15) and thus at the same time form interdental bristles.
    Type: Application
    Filed: April 30, 1999
    Publication date: May 24, 2001
    Applicant: Paul Gruber et al
    Inventors: PAUL GRUBER, STEIN EDVARDSEN