Patents by Inventor Helen Hahn

Helen Hahn 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).

  • Protective Eyewear
    Publication number: 20080016600
    Abstract: A protective eyewear apparatus including a base substantially oval in shape, an upper bar connected to the base, a lower bar connected to the base, and a main support bar connected to the upper bar and the lower bar. Another embodiment includes two eyepieces attached by a flexible bridge member, in which an eyepiece comprises a base generally oval in shape and defining an opening, and an upper and lower bar spanning the opening and connected to the base.
    Type: Application
    Filed: August 1, 2007
    Publication date: January 24, 2008
    Inventors: Helen Hahn, Dale Kohler
  • Protective eyewear
    Publication number: 20060117449
    Abstract: A protective eyewear apparatus including a base substantially oval in shape, an upper bar connected to the base, a lower bar connected to the base, and a main support bar connected to the upper bar and the lower bar. Another embodiment includes two eyepieces attached by a flexible bridge member, in which an eyepiece comprises a base generally oval in shape and defining an opening, and an upper and lower bar spanning the opening and connected to the base.
    Type: Application
    Filed: December 2, 2004
    Publication date: June 8, 2006
    Inventors: Helen Hahn, Dale Kohler
  • Pipette
    Patent number: D978374
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: February 14, 2023
    Inventors: Peter Molitor, Helen Hahn, Anne Herklotz, Florian Tesch, Peter Schmidt